Home / 179,620.70-269,431.05-135,005.90

Finding the Fourth Proportional to 179,620.70, 269,431.05 and 135,005.90

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Solution

The fourth proportional to 179,620.70, 269,431.05 and 135,005.90 is: 202,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,620.70 : 269,431.05 = 135,005.90 : x
  2. Step 2: Convert to fraction form
    179,620.70/269,431.05 = 135,005.90/x
  3. Step 3: Cross multiply
    179,620.70x = 269,431.05 × 135,005.90
  4. Step 4: Simplify right side
    179,620.70x = 36,374,781,393.20
  5. Step 5: Solve for x
    x = 36,374,781,393.20/179,620.70
  6. Step 6: Final answer
    x = 202,508.85

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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.