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Finding the Fourth Proportional to 148,715.76, 205,229.34 and 80,733.36

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Solution

The fourth proportional to 148,715.76, 205,229.34 and 80,733.36 is: 111,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,715.76 : 205,229.34 = 80,733.36 : x
  2. Step 2: Convert to fraction form
    148,715.76/205,229.34 = 80,733.36/x
  3. Step 3: Cross multiply
    148,715.76x = 205,229.34 × 80,733.36
  4. Step 4: Simplify right side
    148,715.76x = 16,568,854,188.78
  5. Step 5: Solve for x
    x = 16,568,854,188.78/148,715.76
  6. Step 6: Final answer
    x = 111,412.90

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