Home / 99,934.92-137,910.24-55,222.92

Finding the Fourth Proportional to 99,934.92, 137,910.24 and 55,222.92

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Solution

The fourth proportional to 99,934.92, 137,910.24 and 55,222.92 is: 76,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,934.92 : 137,910.24 = 55,222.92 : x
  2. Step 2: Convert to fraction form
    99,934.92/137,910.24 = 55,222.92/x
  3. Step 3: Cross multiply
    99,934.92x = 137,910.24 × 55,222.92
  4. Step 4: Simplify right side
    99,934.92x = 7,615,806,150.70
  5. Step 5: Solve for x
    x = 7,615,806,150.70/99,934.92
  6. Step 6: Final answer
    x = 76,207.66

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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.