Finding the Fourth Proportional to 106,312.96, 146,706.42 and 58,565.08
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Solution
The fourth proportional to 106,312.96, 146,706.42 and 58,565.08 is: 80,816.80
Step by Step Solution
- Step 1: Write the proportion equation
106,312.96 : 146,706.42 = 58,565.08 : x - Step 2: Convert to fraction form
106,312.96/146,706.42 = 58,565.08/x - Step 3: Cross multiply
106,312.96x = 146,706.42 × 58,565.08 - Step 4: Simplify right side
106,312.96x = 8,591,873,223.81 - Step 5: Solve for x
x = 8,591,873,223.81/106,312.96 - Step 6: Final answer
x = 80,816.80
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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.