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Finding the Fourth Proportional to 133,021.90, 199,532.85 and 124,209.10

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Solution

The fourth proportional to 133,021.90, 199,532.85 and 124,209.10 is: 186,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.90 : 199,532.85 = 124,209.10 : x
  2. Step 2: Convert to fraction form
    133,021.90/199,532.85 = 124,209.10/x
  3. Step 3: Cross multiply
    133,021.90x = 199,532.85 × 124,209.10
  4. Step 4: Simplify right side
    133,021.90x = 24,783,795,718.94
  5. Step 5: Solve for x
    x = 24,783,795,718.94/133,021.90
  6. Step 6: Final answer
    x = 186,313.65

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