Finding the Fourth Proportional to 125,502.67, 173,129.52 and 80,132.95
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Solution
The fourth proportional to 125,502.67, 173,129.52 and 80,132.95 is: 110,542.50
Step by Step Solution
- Step 1: Write the proportion equation
125,502.67 : 173,129.52 = 80,132.95 : x - Step 2: Convert to fraction form
125,502.67/173,129.52 = 80,132.95/x - Step 3: Cross multiply
125,502.67x = 173,129.52 × 80,132.95 - Step 4: Simplify right side
125,502.67x = 13,873,379,235.85 - Step 5: Solve for x
x = 13,873,379,235.85/125,502.67 - Step 6: Final answer
x = 110,542.50
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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.