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Finding the Fourth Proportional to 133,091.89, 183,664.40 and 75,729.97

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Solution

The fourth proportional to 133,091.89, 183,664.40 and 75,729.97 is: 104,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.89 : 183,664.40 = 75,729.97 : x
  2. Step 2: Convert to fraction form
    133,091.89/183,664.40 = 75,729.97/x
  3. Step 3: Cross multiply
    133,091.89x = 183,664.40 × 75,729.97
  4. Step 4: Simplify right side
    133,091.89x = 13,908,899,353.00
  5. Step 5: Solve for x
    x = 13,908,899,353.00/133,091.89
  6. Step 6: Final answer
    x = 104,505.99

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