Home / 81,226.56-121,842.24-22,061.92

Finding the Fourth Proportional to 81,226.56, 121,842.24 and 22,061.92

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Solution

The fourth proportional to 81,226.56, 121,842.24 and 22,061.92 is: 33,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,226.56 : 121,842.24 = 22,061.92 : x
  2. Step 2: Convert to fraction form
    81,226.56/121,842.24 = 22,061.92/x
  3. Step 3: Cross multiply
    81,226.56x = 121,842.24 × 22,061.92
  4. Step 4: Simplify right side
    81,226.56x = 2,688,073,751.50
  5. Step 5: Solve for x
    x = 2,688,073,751.50/81,226.56
  6. Step 6: Final answer
    x = 33,093.53

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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.