Subject
Quantitative Aptitude
Topic
Ratio
Find the fourth proportional to the numbers 100 : 50 : 30
Find the fourth proportional to the numbers 100 : 50 : 30
ক)
30খ)
15গ)
25ঘ)
Cannot be determinedঙ)
None of theseExplanation
Let the fourth number be a. Then, 100 : 50 : : 30 : a i.e., 100 x a = 30 x 50 ⇒ a = 3 x 5 ⇒ a = 15Related questions
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