Home / 263,152.39-394,759.43-92,321.87

Finding the Fourth Proportional to 263,152.39, 394,759.43 and 92,321.87

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Solution

The fourth proportional to 263,152.39, 394,759.43 and 92,321.87 is: 138,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,152.39 : 394,759.43 = 92,321.87 : x
  2. Step 2: Convert to fraction form
    263,152.39/394,759.43 = 92,321.87/x
  3. Step 3: Cross multiply
    263,152.39x = 394,759.43 × 92,321.87
  4. Step 4: Simplify right side
    263,152.39x = 36,444,928,316.12
  5. Step 5: Solve for x
    x = 36,444,928,316.12/263,152.39
  6. Step 6: Final answer
    x = 138,493.63

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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.