Home / 126,944.20-190,377.92-38,174.16

Finding the Fourth Proportional to 126,944.20, 190,377.92 and 38,174.16

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Solution

The fourth proportional to 126,944.20, 190,377.92 and 38,174.16 is: 57,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,944.20 : 190,377.92 = 38,174.16 : x
  2. Step 2: Convert to fraction form
    126,944.20/190,377.92 = 38,174.16/x
  3. Step 3: Cross multiply
    126,944.20x = 190,377.92 × 38,174.16
  4. Step 4: Simplify right side
    126,944.20x = 7,267,517,178.55
  5. Step 5: Solve for x
    x = 7,267,517,178.55/126,944.20
  6. Step 6: Final answer
    x = 57,249.70

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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.