Home / 81,929.25-122,900.54-22,764.92

Finding the Fourth Proportional to 81,929.25, 122,900.54 and 22,764.92

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Solution

The fourth proportional to 81,929.25, 122,900.54 and 22,764.92 is: 34,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,929.25 : 122,900.54 = 22,764.92 : x
  2. Step 2: Convert to fraction form
    81,929.25/122,900.54 = 22,764.92/x
  3. Step 3: Cross multiply
    81,929.25x = 122,900.54 × 22,764.92
  4. Step 4: Simplify right side
    81,929.25x = 2,797,821,397.76
  5. Step 5: Solve for x
    x = 2,797,821,397.76/81,929.25
  6. Step 6: Final answer
    x = 34,149.24

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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.