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Finding the Fourth Proportional to 178,587.81, 267,695.42 and 60,218.46

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Solution

The fourth proportional to 178,587.81, 267,695.42 and 60,218.46 is: 90,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,587.81 : 267,695.42 = 60,218.46 : x
  2. Step 2: Convert to fraction form
    178,587.81/267,695.42 = 60,218.46/x
  3. Step 3: Cross multiply
    178,587.81x = 267,695.42 × 60,218.46
  4. Step 4: Simplify right side
    178,587.81x = 16,120,205,640.36
  5. Step 5: Solve for x
    x = 16,120,205,640.36/178,587.81
  6. Step 6: Final answer
    x = 90,264.87

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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.