Home / 232,890.25-321,385.68-130,932.72

Finding the Fourth Proportional to 232,890.25, 321,385.68 and 130,932.72

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Solution

The fourth proportional to 232,890.25, 321,385.68 and 130,932.72 is: 180,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,890.25 : 321,385.68 = 130,932.72 : x
  2. Step 2: Convert to fraction form
    232,890.25/321,385.68 = 130,932.72/x
  3. Step 3: Cross multiply
    232,890.25x = 321,385.68 × 130,932.72
  4. Step 4: Simplify right side
    232,890.25x = 42,079,901,251.45
  5. Step 5: Solve for x
    x = 42,079,901,251.45/232,890.25
  6. Step 6: Final answer
    x = 180,685.54

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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.