Home / 140,126.13-193,372.25-76,462.83

Finding the Fourth Proportional to 140,126.13, 193,372.25 and 76,462.83

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Solution

The fourth proportional to 140,126.13, 193,372.25 and 76,462.83 is: 105,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126.13 : 193,372.25 = 76,462.83 : x
  2. Step 2: Convert to fraction form
    140,126.13/193,372.25 = 76,462.83/x
  3. Step 3: Cross multiply
    140,126.13x = 193,372.25 × 76,462.83
  4. Step 4: Simplify right side
    140,126.13x = 14,785,789,096.15
  5. Step 5: Solve for x
    x = 14,785,789,096.15/140,126.13
  6. Step 6: Final answer
    x = 105,517.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.