Finding the Fourth Proportional to 106,624.48, 147,141.76 and 58,877.92
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Solution
The fourth proportional to 106,624.48, 147,141.76 and 58,877.92 is: 81,251.52
Step by Step Solution
- Step 1: Write the proportion equation
106,624.48 : 147,141.76 = 58,877.92 : x - Step 2: Convert to fraction form
106,624.48/147,141.76 = 58,877.92/x - Step 3: Cross multiply
106,624.48x = 147,141.76 × 58,877.92 - Step 4: Simplify right side
106,624.48x = 8,663,400,773.94 - Step 5: Solve for x
x = 8,663,400,773.94/106,624.48 - Step 6: Final answer
x = 81,251.52
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1.5x scale
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.