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Finding the Fourth Proportional to 115,243.16, 159,023.94 and 64,251.09

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Solution

The fourth proportional to 115,243.16, 159,023.94 and 64,251.09 is: 88,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,243.16 : 159,023.94 = 64,251.09 : x
  2. Step 2: Convert to fraction form
    115,243.16/159,023.94 = 64,251.09/x
  3. Step 3: Cross multiply
    115,243.16x = 159,023.94 × 64,251.09
  4. Step 4: Simplify right side
    115,243.16x = 10,217,461,481.09
  5. Step 5: Solve for x
    x = 10,217,461,481.09/115,243.16
  6. Step 6: Final answer
    x = 88,660.03

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