Home / 92,393.12-138,589.82-25,833.20

Finding the Fourth Proportional to 92,393.12, 138,589.82 and 25,833.20

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Solution

The fourth proportional to 92,393.12, 138,589.82 and 25,833.20 is: 38,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,393.12 : 138,589.82 = 25,833.20 : x
  2. Step 2: Convert to fraction form
    92,393.12/138,589.82 = 25,833.20/x
  3. Step 3: Cross multiply
    92,393.12x = 138,589.82 × 25,833.20
  4. Step 4: Simplify right side
    92,393.12x = 3,580,217,812.78
  5. Step 5: Solve for x
    x = 3,580,217,812.78/92,393.12
  6. Step 6: Final answer
    x = 38,749.83

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1.5x scale

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.