Home / 135,021.20-202,536.66-50,773.64

Finding the Fourth Proportional to 135,021.20, 202,536.66 and 50,773.64

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Solution

The fourth proportional to 135,021.20, 202,536.66 and 50,773.64 is: 76,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,021.20 : 202,536.66 = 50,773.64 : x
  2. Step 2: Convert to fraction form
    135,021.20/202,536.66 = 50,773.64/x
  3. Step 3: Cross multiply
    135,021.20x = 202,536.66 × 50,773.64
  4. Step 4: Simplify right side
    135,021.20x = 10,283,523,461.64
  5. Step 5: Solve for x
    x = 10,283,523,461.64/135,021.20
  6. Step 6: Final answer
    x = 76,162.29

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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.