ASUS said Monday that the company’s first-quarter net profit rose 21% from a year earlier, beating analyst estimates, as growing tablet sales helped it record the seventh consecutive quarter of double-digit earnings growth. ASUS is the world’s fifth-largest PC maker by shipments has made an aggressive push into new mobile products like tablets and touchscreen hybrid laptops, amid declining demand for traditional PCs. Asustek has seen its sales rise over the past half year with the help of a partnership with Google Inc. on the popular Nexus 7 tablet, as well as competitively priced Windows 8 touchscreen laptops and tablets. Net profit for the three months ended March rose to 6.05 billion New Taiwan dollars ($202.4 million) from NT$5.01 billion a year earlier, Asustek said in a statement. The figure is above the average NT$5.48 billion estimate of seven analysts polled by Dow Jones Newswires. Revenue rose 16% to NT$105.16 billion from NT$90.91 billion.