Finding the Fourth Proportional to 144,124.21, 216,082.43 and 87,951.12
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Solution
The fourth proportional to 144,124.21, 216,082.43 and 87,951.12 is: 131,863.28
Step by Step Solution
- Step 1: Write the proportion equation
144,124.21 : 216,082.43 = 87,951.12 : x - Step 2: Convert to fraction form
144,124.21/216,082.43 = 87,951.12/x - Step 3: Cross multiply
144,124.21x = 216,082.43 × 87,951.12 - Step 4: Simplify right side
144,124.21x = 19,004,691,305.30 - Step 5: Solve for x
x = 19,004,691,305.30/144,124.21 - Step 6: Final answer
x = 131,863.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.