Home / 72,206.06-108,299.04-22,287.78

Finding the Fourth Proportional to 72,206.06, 108,299.04 and 22,287.78

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Solution

The fourth proportional to 72,206.06, 108,299.04 and 22,287.78 is: 33,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,206.06 : 108,299.04 = 22,287.78 : x
  2. Step 2: Convert to fraction form
    72,206.06/108,299.04 = 22,287.78/x
  3. Step 3: Cross multiply
    72,206.06x = 108,299.04 × 22,287.78
  4. Step 4: Simplify right side
    72,206.06x = 2,413,745,177.73
  5. Step 5: Solve for x
    x = 2,413,745,177.73/72,206.06
  6. Step 6: Final answer
    x = 33,428.57

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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.