Home / 134,743.45-202,279.20-68,149.30

Finding the Fourth Proportional to 134,743.45, 202,279.20 and 68,149.30

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Solution

The fourth proportional to 134,743.45, 202,279.20 and 68,149.30 is: 102,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,743.45 : 202,279.20 = 68,149.30 : x
  2. Step 2: Convert to fraction form
    134,743.45/202,279.20 = 68,149.30/x
  3. Step 3: Cross multiply
    134,743.45x = 202,279.20 × 68,149.30
  4. Step 4: Simplify right side
    134,743.45x = 13,785,185,884.56
  5. Step 5: Solve for x
    x = 13,785,185,884.56/134,743.45
  6. Step 6: Final answer
    x = 102,306.91

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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.