Home / 178,025.11-267,037.67-72,801.25

Finding the Fourth Proportional to 178,025.11, 267,037.67 and 72,801.25

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Solution

The fourth proportional to 178,025.11, 267,037.67 and 72,801.25 is: 109,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,025.11 : 267,037.67 = 72,801.25 : x
  2. Step 2: Convert to fraction form
    178,025.11/267,037.67 = 72,801.25/x
  3. Step 3: Cross multiply
    178,025.11x = 267,037.67 × 72,801.25
  4. Step 4: Simplify right side
    178,025.11x = 19,440,676,173.09
  5. Step 5: Solve for x
    x = 19,440,676,173.09/178,025.11
  6. Step 6: Final answer
    x = 109,201.88

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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.