Home / 178,196.13-267,261.90-71,575.78

Finding the Fourth Proportional to 178,196.13, 267,261.90 and 71,575.78

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Solution

The fourth proportional to 178,196.13, 267,261.90 and 71,575.78 is: 107,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,196.13 : 267,261.90 = 71,575.78 : x
  2. Step 2: Convert to fraction form
    178,196.13/267,261.90 = 71,575.78/x
  3. Step 3: Cross multiply
    178,196.13x = 267,261.90 × 71,575.78
  4. Step 4: Simplify right side
    178,196.13x = 19,129,478,956.78
  5. Step 5: Solve for x
    x = 19,129,478,956.78/178,196.13
  6. Step 6: Final answer
    x = 107,350.70

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1.5x scale

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.