Finding the Fourth Proportional to 146,183.20, 201,732.90 and 79,115.20
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Solution
The fourth proportional to 146,183.20, 201,732.90 and 79,115.20 is: 109,179.02
Step by Step Solution
- Step 1: Write the proportion equation
146,183.20 : 201,732.90 = 79,115.20 : x - Step 2: Convert to fraction form
146,183.20/201,732.90 = 79,115.20/x - Step 3: Cross multiply
146,183.20x = 201,732.90 × 79,115.20 - Step 4: Simplify right side
146,183.20x = 15,960,138,730.08 - Step 5: Solve for x
x = 15,960,138,730.08/146,183.20 - Step 6: Final answer
x = 109,179.02
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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.