Home / 178,320.56-267,438.40-71,704.77

Finding the Fourth Proportional to 178,320.56, 267,438.40 and 71,704.77

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Solution

The fourth proportional to 178,320.56, 267,438.40 and 71,704.77 is: 107,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,320.56 : 267,438.40 = 71,704.77 : x
  2. Step 2: Convert to fraction form
    178,320.56/267,438.40 = 71,704.77/x
  3. Step 3: Cross multiply
    178,320.56x = 267,438.40 × 71,704.77
  4. Step 4: Simplify right side
    178,320.56x = 19,176,608,961.17
  5. Step 5: Solve for x
    x = 19,176,608,961.17/178,320.56
  6. Step 6: Final answer
    x = 107,540.09

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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.