Home / 165,179.20-227,938.80-89,727.52

Finding the Fourth Proportional to 165,179.20, 227,938.80 and 89,727.52

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Solution

The fourth proportional to 165,179.20, 227,938.80 and 89,727.52 is: 123,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,179.20 : 227,938.80 = 89,727.52 : x
  2. Step 2: Convert to fraction form
    165,179.20/227,938.80 = 89,727.52/x
  3. Step 3: Cross multiply
    165,179.20x = 227,938.80 × 89,727.52
  4. Step 4: Simplify right side
    165,179.20x = 20,452,383,235.78
  5. Step 5: Solve for x
    x = 20,452,383,235.78/165,179.20
  6. Step 6: Final answer
    x = 123,819.36

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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.