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Finding the Fourth Proportional to 178,633.81, 267,700.52 and 134,232.25

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Solution

The fourth proportional to 178,633.81, 267,700.52 and 134,232.25 is: 201,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,633.81 : 267,700.52 = 134,232.25 : x
  2. Step 2: Convert to fraction form
    178,633.81/267,700.52 = 134,232.25/x
  3. Step 3: Cross multiply
    178,633.81x = 267,700.52 × 134,232.25
  4. Step 4: Simplify right side
    178,633.81x = 35,934,042,454.61
  5. Step 5: Solve for x
    x = 35,934,042,454.61/178,633.81
  6. Step 6: Final answer
    x = 201,160.37

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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.