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Finding the Fourth Proportional to 115,002.75, 158,703.81 and 64,701.75

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Solution

The fourth proportional to 115,002.75, 158,703.81 and 64,701.75 is: 89,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,002.75 : 158,703.81 = 64,701.75 : x
  2. Step 2: Convert to fraction form
    115,002.75/158,703.81 = 64,701.75/x
  3. Step 3: Cross multiply
    115,002.75x = 158,703.81 × 64,701.75
  4. Step 4: Simplify right side
    115,002.75x = 10,268,414,238.67
  5. Step 5: Solve for x
    x = 10,268,414,238.67/115,002.75
  6. Step 6: Final answer
    x = 89,288.42

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