Home / 232,918.68-321,439.18-130,976.23

Finding the Fourth Proportional to 232,918.68, 321,439.18 and 130,976.23

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Solution

The fourth proportional to 232,918.68, 321,439.18 and 130,976.23 is: 180,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,918.68 : 321,439.18 = 130,976.23 : x
  2. Step 2: Convert to fraction form
    232,918.68/321,439.18 = 130,976.23/x
  3. Step 3: Cross multiply
    232,918.68x = 321,439.18 × 130,976.23
  4. Step 4: Simplify right side
    232,918.68x = 42,100,891,970.69
  5. Step 5: Solve for x
    x = 42,100,891,970.69/232,918.68
  6. Step 6: Final answer
    x = 180,753.61

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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.