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Finding the Fourth Proportional to 133,266.60, 199,802.70 and 54,340.20

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Solution

The fourth proportional to 133,266.60, 199,802.70 and 54,340.20 is: 81,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,266.60 : 199,802.70 = 54,340.20 : x
  2. Step 2: Convert to fraction form
    133,266.60/199,802.70 = 54,340.20/x
  3. Step 3: Cross multiply
    133,266.60x = 199,802.70 × 54,340.20
  4. Step 4: Simplify right side
    133,266.60x = 10,857,318,678.54
  5. Step 5: Solve for x
    x = 10,857,318,678.54/133,266.60
  6. Step 6: Final answer
    x = 81,470.67

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