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Finding the Fourth Proportional to 133,076.80, 199,615.20 and 130,452.40

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Solution

The fourth proportional to 133,076.80, 199,615.20 and 130,452.40 is: 195,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.80 : 199,615.20 = 130,452.40 : x
  2. Step 2: Convert to fraction form
    133,076.80/199,615.20 = 130,452.40/x
  3. Step 3: Cross multiply
    133,076.80x = 199,615.20 × 130,452.40
  4. Step 4: Simplify right side
    133,076.80x = 26,040,281,916.48
  5. Step 5: Solve for x
    x = 26,040,281,916.48/133,076.80
  6. Step 6: Final answer
    x = 195,678.60

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