Home / 125,839.24-188,671.38-55,680.28

Finding the Fourth Proportional to 125,839.24, 188,671.38 and 55,680.28

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Solution

The fourth proportional to 125,839.24, 188,671.38 and 55,680.28 is: 83,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,839.24 : 188,671.38 = 55,680.28 : x
  2. Step 2: Convert to fraction form
    125,839.24/188,671.38 = 55,680.28/x
  3. Step 3: Cross multiply
    125,839.24x = 188,671.38 × 55,680.28
  4. Step 4: Simplify right side
    125,839.24x = 10,505,275,266.39
  5. Step 5: Solve for x
    x = 10,505,275,266.39/125,839.24
  6. Step 6: Final answer
    x = 83,481.71

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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.