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Finding the Fourth Proportional to 201,133.02, 301,732.20 and 68,021.40

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Solution

The fourth proportional to 201,133.02, 301,732.20 and 68,021.40 is: 102,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,133.02 : 301,732.20 = 68,021.40 : x
  2. Step 2: Convert to fraction form
    201,133.02/301,732.20 = 68,021.40/x
  3. Step 3: Cross multiply
    201,133.02x = 301,732.20 × 68,021.40
  4. Step 4: Simplify right side
    201,133.02x = 20,524,246,669.08
  5. Step 5: Solve for x
    x = 20,524,246,669.08/201,133.02
  6. Step 6: Final answer
    x = 102,043.15

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