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Finding the Fourth Proportional to 177,987.46, 267,165.72 and 119,233.71

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Solution

The fourth proportional to 177,987.46, 267,165.72 and 119,233.71 is: 178,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,987.46 : 267,165.72 = 119,233.71 : x
  2. Step 2: Convert to fraction form
    177,987.46/267,165.72 = 119,233.71/x
  3. Step 3: Cross multiply
    177,987.46x = 267,165.72 × 119,233.71
  4. Step 4: Simplify right side
    177,987.46x = 31,855,160,023.90
  5. Step 5: Solve for x
    x = 31,855,160,023.90/177,987.46
  6. Step 6: Final answer
    x = 178,974.18

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1.5x scale

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.