Finding the Fourth Proportional to 114,049.18, 171,101.58 and 80,380.81
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Solution
The fourth proportional to 114,049.18, 171,101.58 and 80,380.81 is: 120,590.82
Step by Step Solution
- Step 1: Write the proportion equation
114,049.18 : 171,101.58 = 80,380.81 : x - Step 2: Convert to fraction form
114,049.18/171,101.58 = 80,380.81/x - Step 3: Cross multiply
114,049.18x = 171,101.58 × 80,380.81 - Step 4: Simplify right side
114,049.18x = 13,753,283,592.68 - Step 5: Solve for x
x = 13,753,283,592.68/114,049.18 - Step 6: Final answer
x = 120,590.82
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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.