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Finding the Fourth Proportional to 115,155.59, 158,912.33 and 64,168.11

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Solution

The fourth proportional to 115,155.59, 158,912.33 and 64,168.11 is: 88,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,155.59 : 158,912.33 = 64,168.11 : x
  2. Step 2: Convert to fraction form
    115,155.59/158,912.33 = 64,168.11/x
  3. Step 3: Cross multiply
    115,155.59x = 158,912.33 × 64,168.11
  4. Step 4: Simplify right side
    115,155.59x = 10,197,103,550.96
  5. Step 5: Solve for x
    x = 10,197,103,550.96/115,155.59
  6. Step 6: Final answer
    x = 88,550.66

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