Finding the Fourth Proportional to 106,436.43, 146,878.92 and 58,691.79
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Solution
The fourth proportional to 106,436.43, 146,878.92 and 58,691.79 is: 80,992.82
Step by Step Solution
- Step 1: Write the proportion equation
106,436.43 : 146,878.92 = 58,691.79 : x - Step 2: Convert to fraction form
106,436.43/146,878.92 = 58,691.79/x - Step 3: Cross multiply
106,436.43x = 146,878.92 × 58,691.79 - Step 4: Simplify right side
106,436.43x = 8,620,586,728.07 - Step 5: Solve for x
x = 8,620,586,728.07/106,436.43 - Step 6: Final answer
x = 80,992.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.