Finding the Fourth Proportional to 109,935.66, 151,711.26 and 62,187.99
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Solution
The fourth proportional to 109,935.66, 151,711.26 and 62,187.99 is: 85,819.45
Step by Step Solution
- Step 1: Write the proportion equation
109,935.66 : 151,711.26 = 62,187.99 : x - Step 2: Convert to fraction form
109,935.66/151,711.26 = 62,187.99/x - Step 3: Cross multiply
109,935.66x = 151,711.26 × 62,187.99 - Step 4: Simplify right side
109,935.66x = 9,434,618,319.77 - Step 5: Solve for x
x = 9,434,618,319.77/109,935.66 - Step 6: Final answer
x = 85,819.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.