Finding the Fourth Proportional to 125,398.26, 173,042.73 and 68,805.18
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Solution
The fourth proportional to 125,398.26, 173,042.73 and 68,805.18 is: 94,947.38
Step by Step Solution
- Step 1: Write the proportion equation
125,398.26 : 173,042.73 = 68,805.18 : x - Step 2: Convert to fraction form
125,398.26/173,042.73 = 68,805.18/x - Step 3: Cross multiply
125,398.26x = 173,042.73 × 68,805.18 - Step 4: Simplify right side
125,398.26x = 11,906,236,185.34 - Step 5: Solve for x
x = 11,906,236,185.34/125,398.26 - Step 6: Final answer
x = 94,947.38
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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.