Finding the Fourth Proportional to 135,910.10, 204,083.85 and 91,732.70
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Solution
The fourth proportional to 135,910.10, 204,083.85 and 91,732.70 is: 137,746.66
Step by Step Solution
- Step 1: Write the proportion equation
135,910.10 : 204,083.85 = 91,732.70 : x - Step 2: Convert to fraction form
135,910.10/204,083.85 = 91,732.70/x - Step 3: Cross multiply
135,910.10x = 204,083.85 × 91,732.70 - Step 4: Simplify right side
135,910.10x = 18,721,162,586.90 - Step 5: Solve for x
x = 18,721,162,586.90/135,910.10 - Step 6: Final answer
x = 137,746.66
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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.