Home / 125,512.40-188,264.76-42,399.44

Finding the Fourth Proportional to 125,512.40, 188,264.76 and 42,399.44

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Solution

The fourth proportional to 125,512.40, 188,264.76 and 42,399.44 is: 63,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512.40 : 188,264.76 = 42,399.44 : x
  2. Step 2: Convert to fraction form
    125,512.40/188,264.76 = 42,399.44/x
  3. Step 3: Cross multiply
    125,512.40x = 188,264.76 × 42,399.44
  4. Step 4: Simplify right side
    125,512.40x = 7,982,320,395.73
  5. Step 5: Solve for x
    x = 7,982,320,395.73/125,512.40
  6. Step 6: Final answer
    x = 63,597.86

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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.