Home / 135,181.20-202,782.29-40,404.83

Finding the Fourth Proportional to 135,181.20, 202,782.29 and 40,404.83

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Solution

The fourth proportional to 135,181.20, 202,782.29 and 40,404.83 is: 60,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,181.20 : 202,782.29 = 40,404.83 : x
  2. Step 2: Convert to fraction form
    135,181.20/202,782.29 = 40,404.83/x
  3. Step 3: Cross multiply
    135,181.20x = 202,782.29 × 40,404.83
  4. Step 4: Simplify right side
    135,181.20x = 8,193,382,738.53
  5. Step 5: Solve for x
    x = 8,193,382,738.53/135,181.20
  6. Step 6: Final answer
    x = 60,610.37

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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.