Home / 178,489.12-267,376.60-107,372.56

Finding the Fourth Proportional to 178,489.12, 267,376.60 and 107,372.56

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Solution

The fourth proportional to 178,489.12, 267,376.60 and 107,372.56 is: 160,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,489.12 : 267,376.60 = 107,372.56 : x
  2. Step 2: Convert to fraction form
    178,489.12/267,376.60 = 107,372.56/x
  3. Step 3: Cross multiply
    178,489.12x = 267,376.60 × 107,372.56
  4. Step 4: Simplify right side
    178,489.12x = 28,708,910,026.10
  5. Step 5: Solve for x
    x = 28,708,910,026.10/178,489.12
  6. Step 6: Final answer
    x = 160,844.03

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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.