Home / 131,551.44-182,765.52-129,976.80

Finding the Fourth Proportional to 131,551.44, 182,765.52 and 129,976.80

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Solution

The fourth proportional to 131,551.44, 182,765.52 and 129,976.80 is: 180,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,551.44 : 182,765.52 = 129,976.80 : x
  2. Step 2: Convert to fraction form
    131,551.44/182,765.52 = 129,976.80/x
  3. Step 3: Cross multiply
    131,551.44x = 182,765.52 × 129,976.80
  4. Step 4: Simplify right side
    131,551.44x = 23,755,277,439.94
  5. Step 5: Solve for x
    x = 23,755,277,439.94/131,551.44
  6. Step 6: Final answer
    x = 180,577.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.