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Finding the Fourth Proportional to 88,172.37, 132,280.92 and 40,821.62

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Solution

The fourth proportional to 88,172.37, 132,280.92 and 40,821.62 is: 61,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.37 : 132,280.92 = 40,821.62 : x
  2. Step 2: Convert to fraction form
    88,172.37/132,280.92 = 40,821.62/x
  3. Step 3: Cross multiply
    88,172.37x = 132,280.92 × 40,821.62
  4. Step 4: Simplify right side
    88,172.37x = 5,399,920,788.09
  5. Step 5: Solve for x
    x = 5,399,920,788.09/88,172.37
  6. Step 6: Final answer
    x = 61,242.78

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