Home / 92,400.55-138,617.92-29,236.57

Finding the Fourth Proportional to 92,400.55, 138,617.92 and 29,236.57

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Solution

The fourth proportional to 92,400.55, 138,617.92 and 29,236.57 is: 43,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.55 : 138,617.92 = 29,236.57 : x
  2. Step 2: Convert to fraction form
    92,400.55/138,617.92 = 29,236.57/x
  3. Step 3: Cross multiply
    92,400.55x = 138,617.92 × 29,236.57
  4. Step 4: Simplify right side
    92,400.55x = 4,052,712,521.33
  5. Step 5: Solve for x
    x = 4,052,712,521.33/92,400.55
  6. Step 6: Final answer
    x = 43,860.26

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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.