Finding the Fourth Proportional to 176,549.29, 243,636.99 and 100,082.80
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Solution
The fourth proportional to 176,549.29, 243,636.99 and 100,082.80 is: 138,113.68
Step by Step Solution
- Step 1: Write the proportion equation
176,549.29 : 243,636.99 = 100,082.80 : x - Step 2: Convert to fraction form
176,549.29/243,636.99 = 100,082.80/x - Step 3: Cross multiply
176,549.29x = 243,636.99 × 100,082.80 - Step 4: Simplify right side
176,549.29x = 24,383,872,142.77 - Step 5: Solve for x
x = 24,383,872,142.77/176,549.29 - Step 6: Final answer
x = 138,113.68
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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.