Finding the Fourth Proportional to 136,115.56, 204,195.12 and 47,394.28
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Solution
The fourth proportional to 136,115.56, 204,195.12 and 47,394.28 is: 71,099.00
Step by Step Solution
- Step 1: Write the proportion equation
136,115.56 : 204,195.12 = 47,394.28 : x - Step 2: Convert to fraction form
136,115.56/204,195.12 = 47,394.28/x - Step 3: Cross multiply
136,115.56x = 204,195.12 × 47,394.28 - Step 4: Simplify right side
136,115.56x = 9,677,680,691.91 - Step 5: Solve for x
x = 9,677,680,691.91/136,115.56 - Step 6: Final answer
x = 71,099.00
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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.