Finding the Fourth Proportional to 141,199.20, 194,868.36 and 80,757.99
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Solution
The fourth proportional to 141,199.20, 194,868.36 and 80,757.99 is: 111,453.73
Step by Step Solution
- Step 1: Write the proportion equation
141,199.20 : 194,868.36 = 80,757.99 : x - Step 2: Convert to fraction form
141,199.20/194,868.36 = 80,757.99/x - Step 3: Cross multiply
141,199.20x = 194,868.36 × 80,757.99 - Step 4: Simplify right side
141,199.20x = 15,737,177,068.20 - Step 5: Solve for x
x = 15,737,177,068.20/141,199.20 - Step 6: Final answer
x = 111,453.73
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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.