Home / 133,747.20-199,411.20-126,835.20

Finding the Fourth Proportional to 133,747.20, 199,411.20 and 126,835.20

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Solution

The fourth proportional to 133,747.20, 199,411.20 and 126,835.20 is: 189,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,747.20 : 199,411.20 = 126,835.20 : x
  2. Step 2: Convert to fraction form
    133,747.20/199,411.20 = 126,835.20/x
  3. Step 3: Cross multiply
    133,747.20x = 199,411.20 × 126,835.20
  4. Step 4: Simplify right side
    133,747.20x = 25,292,359,434.24
  5. Step 5: Solve for x
    x = 25,292,359,434.24/133,747.20
  6. Step 6: Final answer
    x = 189,105.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.