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Finding the Fourth Proportional to 111,936.12, 167,904 and 76,769.16

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Solution

The fourth proportional to 111,936.12, 167,904 and 76,769.16 is: 115,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,936.12 : 167,904 = 76,769.16 : x
  2. Step 2: Convert to fraction form
    111,936.12/167,904 = 76,769.16/x
  3. Step 3: Cross multiply
    111,936.12x = 167,904 × 76,769.16
  4. Step 4: Simplify right side
    111,936.12x = 12,889,849,040.64
  5. Step 5: Solve for x
    x = 12,889,849,040.64/111,936.12
  6. Step 6: Final answer
    x = 115,153.62

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