Finding the Fourth Proportional to 125,117.63, 172,662.33 and 68,531.03
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Solution
The fourth proportional to 125,117.63, 172,662.33 and 68,531.03 is: 94,572.82
Step by Step Solution
- Step 1: Write the proportion equation
125,117.63 : 172,662.33 = 68,531.03 : x - Step 2: Convert to fraction form
125,117.63/172,662.33 = 68,531.03/x - Step 3: Cross multiply
125,117.63x = 172,662.33 × 68,531.03 - Step 4: Simplify right side
125,117.63x = 11,832,726,453.79 - Step 5: Solve for x
x = 11,832,726,453.79/125,117.63 - Step 6: Final answer
x = 94,572.82
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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.