Finding the Fourth Proportional to 125,366.85, 172,964.18 and 71,613.81
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Solution
The fourth proportional to 125,366.85, 172,964.18 and 71,613.81 is: 98,803.02
Step by Step Solution
- Step 1: Write the proportion equation
125,366.85 : 172,964.18 = 71,613.81 : x - Step 2: Convert to fraction form
125,366.85/172,964.18 = 71,613.81/x - Step 3: Cross multiply
125,366.85x = 172,964.18 × 71,613.81 - Step 4: Simplify right side
125,366.85x = 12,386,623,699.53 - Step 5: Solve for x
x = 12,386,623,699.53/125,366.85 - Step 6: Final answer
x = 98,803.02
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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.