Home / 126,983.52-175,255.07-78,600.96

Finding the Fourth Proportional to 126,983.52, 175,255.07 and 78,600.96

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Solution

The fourth proportional to 126,983.52, 175,255.07 and 78,600.96 is: 108,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,983.52 : 175,255.07 = 78,600.96 : x
  2. Step 2: Convert to fraction form
    126,983.52/175,255.07 = 78,600.96/x
  3. Step 3: Cross multiply
    126,983.52x = 175,255.07 × 78,600.96
  4. Step 4: Simplify right side
    126,983.52x = 13,775,216,353.86
  5. Step 5: Solve for x
    x = 13,775,216,353.86/126,983.52
  6. Step 6: Final answer
    x = 108,480.35

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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.