Home / 188,351.91-259,938.33-103,469.85

Finding the Fourth Proportional to 188,351.91, 259,938.33 and 103,469.85

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Solution

The fourth proportional to 188,351.91, 259,938.33 and 103,469.85 is: 142,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,351.91 : 259,938.33 = 103,469.85 : x
  2. Step 2: Convert to fraction form
    188,351.91/259,938.33 = 103,469.85/x
  3. Step 3: Cross multiply
    188,351.91x = 259,938.33 × 103,469.85
  4. Step 4: Simplify right side
    188,351.91x = 26,895,780,014.35
  5. Step 5: Solve for x
    x = 26,895,780,014.35/188,351.91
  6. Step 6: Final answer
    x = 142,795.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.