Finding the Fourth Proportional to 125,649.19, 173,397.04 and 68,288.66
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Solution
The fourth proportional to 125,649.19, 173,397.04 and 68,288.66 is: 94,238.98
Step by Step Solution
- Step 1: Write the proportion equation
125,649.19 : 173,397.04 = 68,288.66 : x - Step 2: Convert to fraction form
125,649.19/173,397.04 = 68,288.66/x - Step 3: Cross multiply
125,649.19x = 173,397.04 × 68,288.66 - Step 4: Simplify right side
125,649.19x = 11,841,051,601.62 - Step 5: Solve for x
x = 11,841,051,601.62/125,649.19 - Step 6: Final answer
x = 94,238.98
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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.