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Finding the Fourth Proportional to 167,715.70, 231,451.89 and 91,239.10

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Solution

The fourth proportional to 167,715.70, 231,451.89 and 91,239.10 is: 125,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,715.70 : 231,451.89 = 91,239.10 : x
  2. Step 2: Convert to fraction form
    167,715.70/231,451.89 = 91,239.10/x
  3. Step 3: Cross multiply
    167,715.70x = 231,451.89 × 91,239.10
  4. Step 4: Simplify right side
    167,715.70x = 21,117,462,136.90
  5. Step 5: Solve for x
    x = 21,117,462,136.90/167,715.70
  6. Step 6: Final answer
    x = 125,912.26

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