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Question
Verify the following:
39 : 65 : : 141 : 235
Solution
39 : 65 : : 141 : 235
`39/65=(39 ÷ 13)/(65 ÷ 13)=3/5` (H.C.F. of 39 and 65 is 13.)
`141/235=(141 ÷ 47)/(235 ÷ 47)=3/5` (H.C.F. of 141 and 235 is 47.)
Hence, 39 : 65 : : 141 : 235 are in proportion.
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