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Finding the Fourth Proportional to 115,645.22, 159,588.33 and 65,343.14

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Solution

The fourth proportional to 115,645.22, 159,588.33 and 65,343.14 is: 90,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,645.22 : 159,588.33 = 65,343.14 : x
  2. Step 2: Convert to fraction form
    115,645.22/159,588.33 = 65,343.14/x
  3. Step 3: Cross multiply
    115,645.22x = 159,588.33 × 65,343.14
  4. Step 4: Simplify right side
    115,645.22x = 10,428,002,589.56
  5. Step 5: Solve for x
    x = 10,428,002,589.56/115,645.22
  6. Step 6: Final answer
    x = 90,172.36

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