Home / 168,123.96-252,015.82-108,997.20

Finding the Fourth Proportional to 168,123.96, 252,015.82 and 108,997.20

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Solution

The fourth proportional to 168,123.96, 252,015.82 and 108,997.20 is: 163,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,123.96 : 252,015.82 = 108,997.20 : x
  2. Step 2: Convert to fraction form
    168,123.96/252,015.82 = 108,997.20/x
  3. Step 3: Cross multiply
    168,123.96x = 252,015.82 × 108,997.20
  4. Step 4: Simplify right side
    168,123.96x = 27,469,018,735.70
  5. Step 5: Solve for x
    x = 27,469,018,735.70/168,123.96
  6. Step 6: Final answer
    x = 163,385.51

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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.