Home / 132,772.20-199,158.30-83,620.20

Finding the Fourth Proportional to 132,772.20, 199,158.30 and 83,620.20

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Solution

The fourth proportional to 132,772.20, 199,158.30 and 83,620.20 is: 125,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.20 : 199,158.30 = 83,620.20 : x
  2. Step 2: Convert to fraction form
    132,772.20/199,158.30 = 83,620.20/x
  3. Step 3: Cross multiply
    132,772.20x = 199,158.30 × 83,620.20
  4. Step 4: Simplify right side
    132,772.20x = 16,653,656,877.66
  5. Step 5: Solve for x
    x = 16,653,656,877.66/132,772.20
  6. Step 6: Final answer
    x = 125,430.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.