Home / 232,685.85-321,071.49-130,691.76

Finding the Fourth Proportional to 232,685.85, 321,071.49 and 130,691.76

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Solution

The fourth proportional to 232,685.85, 321,071.49 and 130,691.76 is: 180,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,685.85 : 321,071.49 = 130,691.76 : x
  2. Step 2: Convert to fraction form
    232,685.85/321,071.49 = 130,691.76/x
  3. Step 3: Cross multiply
    232,685.85x = 321,071.49 × 130,691.76
  4. Step 4: Simplify right side
    232,685.85x = 41,961,398,113.92
  5. Step 5: Solve for x
    x = 41,961,398,113.92/232,685.85
  6. Step 6: Final answer
    x = 180,334.98

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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.