Home / 135,331.20-202,873.92-52,287.36

Finding the Fourth Proportional to 135,331.20, 202,873.92 and 52,287.36

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Solution

The fourth proportional to 135,331.20, 202,873.92 and 52,287.36 is: 78,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,331.20 : 202,873.92 = 52,287.36 : x
  2. Step 2: Convert to fraction form
    135,331.20/202,873.92 = 52,287.36/x
  3. Step 3: Cross multiply
    135,331.20x = 202,873.92 × 52,287.36
  4. Step 4: Simplify right side
    135,331.20x = 10,607,741,689.65
  5. Step 5: Solve for x
    x = 10,607,741,689.65/135,331.20
  6. Step 6: Final answer
    x = 78,383.56

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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.