Home / 84,183.15-126,280.19-25,013.86

Finding the Fourth Proportional to 84,183.15, 126,280.19 and 25,013.86

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Solution

The fourth proportional to 84,183.15, 126,280.19 and 25,013.86 is: 37,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,183.15 : 126,280.19 = 25,013.86 : x
  2. Step 2: Convert to fraction form
    84,183.15/126,280.19 = 25,013.86/x
  3. Step 3: Cross multiply
    84,183.15x = 126,280.19 × 25,013.86
  4. Step 4: Simplify right side
    84,183.15x = 3,158,755,380.24
  5. Step 5: Solve for x
    x = 3,158,755,380.24/84,183.15
  6. Step 6: Final answer
    x = 37,522.42

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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.