Home / 132,451.20-182,800.80-100,569.60

Finding the Fourth Proportional to 132,451.20, 182,800.80 and 100,569.60

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Solution

The fourth proportional to 132,451.20, 182,800.80 and 100,569.60 is: 138,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,451.20 : 182,800.80 = 100,569.60 : x
  2. Step 2: Convert to fraction form
    132,451.20/182,800.80 = 100,569.60/x
  3. Step 3: Cross multiply
    132,451.20x = 182,800.80 × 100,569.60
  4. Step 4: Simplify right side
    132,451.20x = 18,384,203,335.68
  5. Step 5: Solve for x
    x = 18,384,203,335.68/132,451.20
  6. Step 6: Final answer
    x = 138,799.82

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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.