Finding the Fourth Proportional to 126,033.92, 173,922.68 and 72,318.08
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Solution
The fourth proportional to 126,033.92, 173,922.68 and 72,318.08 is: 99,796.58
Step by Step Solution
- Step 1: Write the proportion equation
126,033.92 : 173,922.68 = 72,318.08 : x - Step 2: Convert to fraction form
126,033.92/173,922.68 = 72,318.08/x - Step 3: Cross multiply
126,033.92x = 173,922.68 × 72,318.08 - Step 4: Simplify right side
126,033.92x = 12,577,754,286.05 - Step 5: Solve for x
x = 12,577,754,286.05/126,033.92 - Step 6: Final answer
x = 99,796.58
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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.