Home / 81,367.26-122,062.44-25,211.78

Finding the Fourth Proportional to 81,367.26, 122,062.44 and 25,211.78

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Solution

The fourth proportional to 81,367.26, 122,062.44 and 25,211.78 is: 37,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,367.26 : 122,062.44 = 25,211.78 : x
  2. Step 2: Convert to fraction form
    81,367.26/122,062.44 = 25,211.78/x
  3. Step 3: Cross multiply
    81,367.26x = 122,062.44 × 25,211.78
  4. Step 4: Simplify right side
    81,367.26x = 3,077,411,383.54
  5. Step 5: Solve for x
    x = 3,077,411,383.54/81,367.26
  6. Step 6: Final answer
    x = 37,821.25

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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.