Home / 165,217.35-227,997.12-89,765.31

Finding the Fourth Proportional to 165,217.35, 227,997.12 and 89,765.31

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Solution

The fourth proportional to 165,217.35, 227,997.12 and 89,765.31 is: 123,874.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,217.35 : 227,997.12 = 89,765.31 : x
  2. Step 2: Convert to fraction form
    165,217.35/227,997.12 = 89,765.31/x
  3. Step 3: Cross multiply
    165,217.35x = 227,997.12 × 89,765.31
  4. Step 4: Simplify right side
    165,217.35x = 20,466,232,155.91
  5. Step 5: Solve for x
    x = 20,466,232,155.91/165,217.35
  6. Step 6: Final answer
    x = 123,874.59

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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.