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Finding the Fourth Proportional to 89,850.20, 134,775.30 and 88,467.80

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Solution

The fourth proportional to 89,850.20, 134,775.30 and 88,467.80 is: 132,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.20 : 134,775.30 = 88,467.80 : x
  2. Step 2: Convert to fraction form
    89,850.20/134,775.30 = 88,467.80/x
  3. Step 3: Cross multiply
    89,850.20x = 134,775.30 × 88,467.80
  4. Step 4: Simplify right side
    89,850.20x = 11,923,274,285.34
  5. Step 5: Solve for x
    x = 11,923,274,285.34/89,850.20
  6. Step 6: Final answer
    x = 132,701.70

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