Home / 269,149.87-403,604.83-142,761.35

Finding the Fourth Proportional to 269,149.87, 403,604.83 and 142,761.35

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Solution

The fourth proportional to 269,149.87, 403,604.83 and 142,761.35 is: 214,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,149.87 : 403,604.83 = 142,761.35 : x
  2. Step 2: Convert to fraction form
    269,149.87/403,604.83 = 142,761.35/x
  3. Step 3: Cross multiply
    269,149.87x = 403,604.83 × 142,761.35
  4. Step 4: Simplify right side
    269,149.87x = 57,619,170,781.75
  5. Step 5: Solve for x
    x = 57,619,170,781.75/269,149.87
  6. Step 6: Final answer
    x = 214,078.39

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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.