Finding the Fourth Proportional to 129,842.97, 194,793.63 and 41,101.80
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Solution
The fourth proportional to 129,842.97, 194,793.63 and 41,101.80 is: 61,661.94
Step by Step Solution
- Step 1: Write the proportion equation
129,842.97 : 194,793.63 = 41,101.80 : x - Step 2: Convert to fraction form
129,842.97/194,793.63 = 41,101.80/x - Step 3: Cross multiply
129,842.97x = 194,793.63 × 41,101.80 - Step 4: Simplify right side
129,842.97x = 8,006,368,821.53 - Step 5: Solve for x
x = 8,006,368,821.53/129,842.97 - Step 6: Final answer
x = 61,661.94
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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.