Finding the Fourth Proportional to 101,097.60, 151,346.88 and 74,919.84
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Solution
The fourth proportional to 101,097.60, 151,346.88 and 74,919.84 is: 112,157.80
Step by Step Solution
- Step 1: Write the proportion equation
101,097.60 : 151,346.88 = 74,919.84 : x - Step 2: Convert to fraction form
101,097.60/151,346.88 = 74,919.84/x - Step 3: Cross multiply
101,097.60x = 151,346.88 × 74,919.84 - Step 4: Simplify right side
101,097.60x = 11,338,884,034.10 - Step 5: Solve for x
x = 11,338,884,034.10/101,097.60 - Step 6: Final answer
x = 112,157.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.