Finding the Fourth Proportional to 125,167.96, 172,725.18 and 71,450.84
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Solution
The fourth proportional to 125,167.96, 172,725.18 and 71,450.84 is: 98,598.39
Step by Step Solution
- Step 1: Write the proportion equation
125,167.96 : 172,725.18 = 71,450.84 : x - Step 2: Convert to fraction form
125,167.96/172,725.18 = 71,450.84/x - Step 3: Cross multiply
125,167.96x = 172,725.18 × 71,450.84 - Step 4: Simplify right side
125,167.96x = 12,341,359,200.15 - Step 5: Solve for x
x = 12,341,359,200.15/125,167.96 - Step 6: Final answer
x = 98,598.39
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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.