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Finding the Fourth Proportional to 107,076.80, 160,615.20 and 75,972.80

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Solution

The fourth proportional to 107,076.80, 160,615.20 and 75,972.80 is: 113,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,076.80 : 160,615.20 = 75,972.80 : x
  2. Step 2: Convert to fraction form
    107,076.80/160,615.20 = 75,972.80/x
  3. Step 3: Cross multiply
    107,076.80x = 160,615.20 × 75,972.80
  4. Step 4: Simplify right side
    107,076.80x = 12,202,386,466.56
  5. Step 5: Solve for x
    x = 12,202,386,466.56/107,076.80
  6. Step 6: Final answer
    x = 113,959.20

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