Home / 232,988.28-321,520.20-131,013.84

Finding the Fourth Proportional to 232,988.28, 321,520.20 and 131,013.84

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Solution

The fourth proportional to 232,988.28, 321,520.20 and 131,013.84 is: 180,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,988.28 : 321,520.20 = 131,013.84 : x
  2. Step 2: Convert to fraction form
    232,988.28/321,520.20 = 131,013.84/x
  3. Step 3: Cross multiply
    232,988.28x = 321,520.20 × 131,013.84
  4. Step 4: Simplify right side
    232,988.28x = 42,123,596,039.57
  5. Step 5: Solve for x
    x = 42,123,596,039.57/232,988.28
  6. Step 6: Final answer
    x = 180,797.06

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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.