Finding the Fourth Proportional to 125,314.75, 172,934.36 and 68,726.13
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Solution
The fourth proportional to 125,314.75, 172,934.36 and 68,726.13 is: 94,842.06
Step by Step Solution
- Step 1: Write the proportion equation
125,314.75 : 172,934.36 = 68,726.13 : x - Step 2: Convert to fraction form
125,314.75/172,934.36 = 68,726.13/x - Step 3: Cross multiply
125,314.75x = 172,934.36 × 68,726.13 - Step 4: Simplify right side
125,314.75x = 11,885,109,306.83 - Step 5: Solve for x
x = 11,885,109,306.83/125,314.75 - Step 6: Final answer
x = 94,842.06
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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.