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Finding the Fourth Proportional to 133,769.80, 200,768.10 and 54,940.60

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Solution

The fourth proportional to 133,769.80, 200,768.10 and 54,940.60 is: 82,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,769.80 : 200,768.10 = 54,940.60 : x
  2. Step 2: Convert to fraction form
    133,769.80/200,768.10 = 54,940.60/x
  3. Step 3: Cross multiply
    133,769.80x = 200,768.10 × 54,940.60
  4. Step 4: Simplify right side
    133,769.80x = 11,030,319,874.86
  5. Step 5: Solve for x
    x = 11,030,319,874.86/133,769.80
  6. Step 6: Final answer
    x = 82,457.47

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