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Finding the Fourth Proportional to 134,431.45, 201,771.81 and 67,918.43

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Solution

The fourth proportional to 134,431.45, 201,771.81 and 67,918.43 is: 101,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,431.45 : 201,771.81 = 67,918.43 : x
  2. Step 2: Convert to fraction form
    134,431.45/201,771.81 = 67,918.43/x
  3. Step 3: Cross multiply
    134,431.45x = 201,771.81 × 67,918.43
  4. Step 4: Simplify right side
    134,431.45x = 13,704,025,057.89
  5. Step 5: Solve for x
    x = 13,704,025,057.89/134,431.45
  6. Step 6: Final answer
    x = 101,940.62

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