Home / 134,149.53-185,049.26-83,761.05

Finding the Fourth Proportional to 134,149.53, 185,049.26 and 83,761.05

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Solution

The fourth proportional to 134,149.53, 185,049.26 and 83,761.05 is: 115,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,149.53 : 185,049.26 = 83,761.05 : x
  2. Step 2: Convert to fraction form
    134,149.53/185,049.26 = 83,761.05/x
  3. Step 3: Cross multiply
    134,149.53x = 185,049.26 × 83,761.05
  4. Step 4: Simplify right side
    134,149.53x = 15,499,919,900.52
  5. Step 5: Solve for x
    x = 15,499,919,900.52/134,149.53
  6. Step 6: Final answer
    x = 115,542.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.