Home / 260,919.96-391,277.82-92,375.16

Finding the Fourth Proportional to 260,919.96, 391,277.82 and 92,375.16

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Solution

The fourth proportional to 260,919.96, 391,277.82 and 92,375.16 is: 138,526.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,919.96 : 391,277.82 = 92,375.16 : x
  2. Step 2: Convert to fraction form
    260,919.96/391,277.82 = 92,375.16/x
  3. Step 3: Cross multiply
    260,919.96x = 391,277.82 × 92,375.16
  4. Step 4: Simplify right side
    260,919.96x = 36,144,351,226.95
  5. Step 5: Solve for x
    x = 36,144,351,226.95/260,919.96
  6. Step 6: Final answer
    x = 138,526.59

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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.