Home / 81,246.96-121,872.97-22,083.89

Finding the Fourth Proportional to 81,246.96, 121,872.97 and 22,083.89

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Solution

The fourth proportional to 81,246.96, 121,872.97 and 22,083.89 is: 33,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,246.96 : 121,872.97 = 22,083.89 : x
  2. Step 2: Convert to fraction form
    81,246.96/121,872.97 = 22,083.89/x
  3. Step 3: Cross multiply
    81,246.96x = 121,872.97 × 22,083.89
  4. Step 4: Simplify right side
    81,246.96x = 2,691,428,681.69
  5. Step 5: Solve for x
    x = 2,691,428,681.69/81,246.96
  6. Step 6: Final answer
    x = 33,126.52

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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.