Home / 178,618.08-267,996.24-85,133.28

Finding the Fourth Proportional to 178,618.08, 267,996.24 and 85,133.28

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Solution

The fourth proportional to 178,618.08, 267,996.24 and 85,133.28 is: 127,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,618.08 : 267,996.24 = 85,133.28 : x
  2. Step 2: Convert to fraction form
    178,618.08/267,996.24 = 85,133.28/x
  3. Step 3: Cross multiply
    178,618.08x = 267,996.24 × 85,133.28
  4. Step 4: Simplify right side
    178,618.08x = 22,815,398,938.87
  5. Step 5: Solve for x
    x = 22,815,398,938.87/178,618.08
  6. Step 6: Final answer
    x = 127,732.86

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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.