Home / 161,478.62-242,242.53-82,566.20

Finding the Fourth Proportional to 161,478.62, 242,242.53 and 82,566.20

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Solution

The fourth proportional to 161,478.62, 242,242.53 and 82,566.20 is: 123,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,478.62 : 242,242.53 = 82,566.20 : x
  2. Step 2: Convert to fraction form
    161,478.62/242,242.53 = 82,566.20/x
  3. Step 3: Cross multiply
    161,478.62x = 242,242.53 × 82,566.20
  4. Step 4: Simplify right side
    161,478.62x = 20,001,045,180.49
  5. Step 5: Solve for x
    x = 20,001,045,180.49/161,478.62
  6. Step 6: Final answer
    x = 123,861.88

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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.