Finding the Fourth Proportional to 106,207.20, 146,565.97 and 58,460.20
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Solution
The fourth proportional to 106,207.20, 146,565.97 and 58,460.20 is: 80,675.09
Step by Step Solution
- Step 1: Write the proportion equation
106,207.20 : 146,565.97 = 58,460.20 : x - Step 2: Convert to fraction form
106,207.20/146,565.97 = 58,460.20/x - Step 3: Cross multiply
106,207.20x = 146,565.97 × 58,460.20 - Step 4: Simplify right side
106,207.20x = 8,568,275,406.83 - Step 5: Solve for x
x = 8,568,275,406.83/106,207.20 - Step 6: Final answer
x = 80,675.09
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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.