Finding the Fourth Proportional to 129,540.02, 194,226.57 and 54,640.13
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Solution
The fourth proportional to 129,540.02, 194,226.57 and 54,640.13 is: 81,924.99
Step by Step Solution
- Step 1: Write the proportion equation
129,540.02 : 194,226.57 = 54,640.13 : x - Step 2: Convert to fraction form
129,540.02/194,226.57 = 54,640.13/x - Step 3: Cross multiply
129,540.02x = 194,226.57 × 54,640.13 - Step 4: Simplify right side
129,540.02x = 10,612,564,761.05 - Step 5: Solve for x
x = 10,612,564,761.05/129,540.02 - Step 6: Final answer
x = 81,924.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.