Finding the Fourth Proportional to 88,229.48, 132,107.58 and 74,232.68
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Solution
The fourth proportional to 88,229.48, 132,107.58 and 74,232.68 is: 111,149.92
Step by Step Solution
- Step 1: Write the proportion equation
88,229.48 : 132,107.58 = 74,232.68 : x - Step 2: Convert to fraction form
88,229.48/132,107.58 = 74,232.68/x - Step 3: Cross multiply
88,229.48x = 132,107.58 × 74,232.68 - Step 4: Simplify right side
88,229.48x = 9,806,699,711.71 - Step 5: Solve for x
x = 9,806,699,711.71/88,229.48 - Step 6: Final answer
x = 111,149.92
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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.