Home / 135,231.12-202,844.16-40,461.36

Finding the Fourth Proportional to 135,231.12, 202,844.16 and 40,461.36

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Solution

The fourth proportional to 135,231.12, 202,844.16 and 40,461.36 is: 60,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,231.12 : 202,844.16 = 40,461.36 : x
  2. Step 2: Convert to fraction form
    135,231.12/202,844.16 = 40,461.36/x
  3. Step 3: Cross multiply
    135,231.12x = 202,844.16 × 40,461.36
  4. Step 4: Simplify right side
    135,231.12x = 8,207,350,581.66
  5. Step 5: Solve for x
    x = 8,207,350,581.66/135,231.12
  6. Step 6: Final answer
    x = 60,691.29

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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.