Finding the Fourth Proportional to 106,502.07, 146,973.35 and 58,755.40
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Solution
The fourth proportional to 106,502.07, 146,973.35 and 58,755.40 is: 81,082.72
Step by Step Solution
- Step 1: Write the proportion equation
106,502.07 : 146,973.35 = 58,755.40 : x - Step 2: Convert to fraction form
106,502.07/146,973.35 = 58,755.40/x - Step 3: Cross multiply
106,502.07x = 146,973.35 × 58,755.40 - Step 4: Simplify right side
106,502.07x = 8,635,477,968.59 - Step 5: Solve for x
x = 8,635,477,968.59/106,502.07 - Step 6: Final answer
x = 81,082.72
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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.