Home / 259,301.25-389,104.97-109,531.85

Finding the Fourth Proportional to 259,301.25, 389,104.97 and 109,531.85

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Solution

The fourth proportional to 259,301.25, 389,104.97 and 109,531.85 is: 164,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,301.25 : 389,104.97 = 109,531.85 : x
  2. Step 2: Convert to fraction form
    259,301.25/389,104.97 = 109,531.85/x
  3. Step 3: Cross multiply
    259,301.25x = 389,104.97 × 109,531.85
  4. Step 4: Simplify right side
    259,301.25x = 42,619,384,715.11
  5. Step 5: Solve for x
    x = 42,619,384,715.11/259,301.25
  6. Step 6: Final answer
    x = 164,362.43

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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.