Home / 232,919.18-321,439.87-130,976.73

Finding the Fourth Proportional to 232,919.18, 321,439.87 and 130,976.73

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Solution

The fourth proportional to 232,919.18, 321,439.87 and 130,976.73 is: 180,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,919.18 : 321,439.87 = 130,976.73 : x
  2. Step 2: Convert to fraction form
    232,919.18/321,439.87 = 130,976.73/x
  3. Step 3: Cross multiply
    232,919.18x = 321,439.87 × 130,976.73
  4. Step 4: Simplify right side
    232,919.18x = 42,101,143,064.23
  5. Step 5: Solve for x
    x = 42,101,143,064.23/232,919.18
  6. Step 6: Final answer
    x = 180,754.30

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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.