Finding the Fourth Proportional to 125,687.82, 173,456.19 and 69,110.94
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Solution
The fourth proportional to 125,687.82, 173,456.19 and 69,110.94 is: 95,376.95
Step by Step Solution
- Step 1: Write the proportion equation
125,687.82 : 173,456.19 = 69,110.94 : x - Step 2: Convert to fraction form
125,687.82/173,456.19 = 69,110.94/x - Step 3: Cross multiply
125,687.82x = 173,456.19 × 69,110.94 - Step 4: Simplify right side
125,687.82x = 11,987,720,339.72 - Step 5: Solve for x
x = 11,987,720,339.72/125,687.82 - Step 6: Final answer
x = 95,376.95
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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.