Finding the Fourth Proportional to 125,177.92, 172,761.62 and 71,450.64
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Solution
The fourth proportional to 125,177.92, 172,761.62 and 71,450.64 is: 98,611.07
Step by Step Solution
- Step 1: Write the proportion equation
125,177.92 : 172,761.62 = 71,450.64 : x - Step 2: Convert to fraction form
125,177.92/172,761.62 = 71,450.64/x - Step 3: Cross multiply
125,177.92x = 172,761.62 × 71,450.64 - Step 4: Simplify right side
125,177.92x = 12,343,928,316.44 - Step 5: Solve for x
x = 12,343,928,316.44/125,177.92 - Step 6: Final answer
x = 98,611.07
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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.