Home / 259,397.57-389,171.54-107,566.45

Finding the Fourth Proportional to 259,397.57, 389,171.54 and 107,566.45

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Solution

The fourth proportional to 259,397.57, 389,171.54 and 107,566.45 is: 161,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,397.57 : 389,171.54 = 107,566.45 : x
  2. Step 2: Convert to fraction form
    259,397.57/389,171.54 = 107,566.45/x
  3. Step 3: Cross multiply
    259,397.57x = 389,171.54 × 107,566.45
  4. Step 4: Simplify right side
    259,397.57x = 41,861,800,294.82
  5. Step 5: Solve for x
    x = 41,861,800,294.82/259,397.57
  6. Step 6: Final answer
    x = 161,380.85

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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.