Home / 81,458.38-122,187.48-22,294.54

Finding the Fourth Proportional to 81,458.38, 122,187.48 and 22,294.54

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Solution

The fourth proportional to 81,458.38, 122,187.48 and 22,294.54 is: 33,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458.38 : 122,187.48 = 22,294.54 : x
  2. Step 2: Convert to fraction form
    81,458.38/122,187.48 = 22,294.54/x
  3. Step 3: Cross multiply
    81,458.38x = 122,187.48 × 22,294.54
  4. Step 4: Simplify right side
    81,458.38x = 2,724,113,660.36
  5. Step 5: Solve for x
    x = 2,724,113,660.36/81,458.38
  6. Step 6: Final answer
    x = 33,441.79

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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.