Home / 81,974.34-122,961.60-22,810.14

Finding the Fourth Proportional to 81,974.34, 122,961.60 and 22,810.14

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Solution

The fourth proportional to 81,974.34, 122,961.60 and 22,810.14 is: 34,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,974.34 : 122,961.60 = 22,810.14 : x
  2. Step 2: Convert to fraction form
    81,974.34/122,961.60 = 22,810.14/x
  3. Step 3: Cross multiply
    81,974.34x = 122,961.60 × 22,810.14
  4. Step 4: Simplify right side
    81,974.34x = 2,804,771,310.62
  5. Step 5: Solve for x
    x = 2,804,771,310.62/81,974.34
  6. Step 6: Final answer
    x = 34,215.24

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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.