Home / 81,499.86-122,233.19-22,330.98

Finding the Fourth Proportional to 81,499.86, 122,233.19 and 22,330.98

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Solution

The fourth proportional to 81,499.86, 122,233.19 and 22,330.98 is: 33,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,499.86 : 122,233.19 = 22,330.98 : x
  2. Step 2: Convert to fraction form
    81,499.86/122,233.19 = 22,330.98/x
  3. Step 3: Cross multiply
    81,499.86x = 122,233.19 × 22,330.98
  4. Step 4: Simplify right side
    81,499.86x = 2,729,586,809.57
  5. Step 5: Solve for x
    x = 2,729,586,809.57/81,499.86
  6. Step 6: Final answer
    x = 33,491.92

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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.