Home / 81,454.20-122,200.42-25,291.41

Finding the Fourth Proportional to 81,454.20, 122,200.42 and 25,291.41

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Solution

The fourth proportional to 81,454.20, 122,200.42 and 25,291.41 is: 37,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,454.20 : 122,200.42 = 25,291.41 : x
  2. Step 2: Convert to fraction form
    81,454.20/122,200.42 = 25,291.41/x
  3. Step 3: Cross multiply
    81,454.20x = 122,200.42 × 25,291.41
  4. Step 4: Simplify right side
    81,454.20x = 3,090,620,924.39
  5. Step 5: Solve for x
    x = 3,090,620,924.39/81,454.20
  6. Step 6: Final answer
    x = 37,943.05

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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.