Home / 129,318.44-193,900.30-50,340.20

Finding the Fourth Proportional to 129,318.44, 193,900.30 and 50,340.20

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Solution

The fourth proportional to 129,318.44, 193,900.30 and 50,340.20 is: 75,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,318.44 : 193,900.30 = 50,340.20 : x
  2. Step 2: Convert to fraction form
    129,318.44/193,900.30 = 50,340.20/x
  3. Step 3: Cross multiply
    129,318.44x = 193,900.30 × 50,340.20
  4. Step 4: Simplify right side
    129,318.44x = 9,760,978,786.71
  5. Step 5: Solve for x
    x = 9,760,978,786.71/129,318.44
  6. Step 6: Final answer
    x = 75,480.18

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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.