Finding the Fourth Proportional to 141,204.18, 194,882.14 and 84,620.82
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Solution
The fourth proportional to 141,204.18, 194,882.14 and 84,620.82 is: 116,788.94
Step by Step Solution
- Step 1: Write the proportion equation
141,204.18 : 194,882.14 = 84,620.82 : x - Step 2: Convert to fraction form
141,204.18/194,882.14 = 84,620.82/x - Step 3: Cross multiply
141,204.18x = 194,882.14 × 84,620.82 - Step 4: Simplify right side
141,204.18x = 16,491,086,490.15 - Step 5: Solve for x
x = 16,491,086,490.15/141,204.18 - Step 6: Final answer
x = 116,788.94
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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.