Finding the Fourth Proportional to 141,167.80, 194,819.34 and 80,740.99
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Solution
The fourth proportional to 141,167.80, 194,819.34 and 80,740.99 is: 111,427.01
Step by Step Solution
- Step 1: Write the proportion equation
141,167.80 : 194,819.34 = 80,740.99 : x - Step 2: Convert to fraction form
141,167.80/194,819.34 = 80,740.99/x - Step 3: Cross multiply
141,167.80x = 194,819.34 × 80,740.99 - Step 4: Simplify right side
141,167.80x = 15,729,906,382.75 - Step 5: Solve for x
x = 15,729,906,382.75/141,167.80 - Step 6: Final answer
x = 111,427.01
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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.