Home / 81,204.90-121,807.29-22,049.25

Finding the Fourth Proportional to 81,204.90, 121,807.29 and 22,049.25

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Solution

The fourth proportional to 81,204.90, 121,807.29 and 22,049.25 is: 33,073.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.90 : 121,807.29 = 22,049.25 : x
  2. Step 2: Convert to fraction form
    81,204.90/121,807.29 = 22,049.25/x
  3. Step 3: Cross multiply
    81,204.90x = 121,807.29 × 22,049.25
  4. Step 4: Simplify right side
    81,204.90x = 2,685,759,389.03
  5. Step 5: Solve for x
    x = 2,685,759,389.03/81,204.90
  6. Step 6: Final answer
    x = 33,073.86

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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.