Finding the Fourth Proportional to 125,581.92, 173,202.62 and 82,605.48
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Solution
The fourth proportional to 125,581.92, 173,202.62 and 82,605.48 is: 113,929.50
Step by Step Solution
- Step 1: Write the proportion equation
125,581.92 : 173,202.62 = 82,605.48 : x - Step 2: Convert to fraction form
125,581.92/173,202.62 = 82,605.48/x - Step 3: Cross multiply
125,581.92x = 173,202.62 × 82,605.48 - Step 4: Simplify right side
125,581.92x = 14,307,485,562.36 - Step 5: Solve for x
x = 14,307,485,562.36/125,581.92 - Step 6: Final answer
x = 113,929.50
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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.