Home / 259,934.84-389,902.26-110,171.78

Finding the Fourth Proportional to 259,934.84, 389,902.26 and 110,171.78

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Solution

The fourth proportional to 259,934.84, 389,902.26 and 110,171.78 is: 165,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,934.84 : 389,902.26 = 110,171.78 : x
  2. Step 2: Convert to fraction form
    259,934.84/389,902.26 = 110,171.78/x
  3. Step 3: Cross multiply
    259,934.84x = 389,902.26 × 110,171.78
  4. Step 4: Simplify right side
    259,934.84x = 42,956,223,509.85
  5. Step 5: Solve for x
    x = 42,956,223,509.85/259,934.84
  6. Step 6: Final answer
    x = 165,257.66

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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.