Home / 232,636.80-321,121.28-140,760.82

Finding the Fourth Proportional to 232,636.80, 321,121.28 and 140,760.82

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Solution

The fourth proportional to 232,636.80, 321,121.28 and 140,760.82 is: 194,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,636.80 : 321,121.28 = 140,760.82 : x
  2. Step 2: Convert to fraction form
    232,636.80/321,121.28 = 140,760.82/x
  3. Step 3: Cross multiply
    232,636.80x = 321,121.28 × 140,760.82
  4. Step 4: Simplify right side
    232,636.80x = 45,201,294,389.85
  5. Step 5: Solve for x
    x = 45,201,294,389.85/232,636.80
  6. Step 6: Final answer
    x = 194,299.85

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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.