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Finding the Fourth Proportional to 203,329.97, 305,078.60 and 89,419.15

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Solution

The fourth proportional to 203,329.97, 305,078.60 and 89,419.15 is: 134,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,329.97 : 305,078.60 = 89,419.15 : x
  2. Step 2: Convert to fraction form
    203,329.97/305,078.60 = 89,419.15/x
  3. Step 3: Cross multiply
    203,329.97x = 305,078.60 × 89,419.15
  4. Step 4: Simplify right side
    203,329.97x = 27,279,869,095.19
  5. Step 5: Solve for x
    x = 27,279,869,095.19/203,329.97
  6. Step 6: Final answer
    x = 134,165.51

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