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Finding the Fourth Proportional to 178,342.38, 267,548.52 and 66,023.53

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Solution

The fourth proportional to 178,342.38, 267,548.52 and 66,023.53 is: 99,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,342.38 : 267,548.52 = 66,023.53 : x
  2. Step 2: Convert to fraction form
    178,342.38/267,548.52 = 66,023.53/x
  3. Step 3: Cross multiply
    178,342.38x = 267,548.52 × 66,023.53
  4. Step 4: Simplify right side
    178,342.38x = 17,664,497,736.68
  5. Step 5: Solve for x
    x = 17,664,497,736.68/178,342.38
  6. Step 6: Final answer
    x = 99,048.23

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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.