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Finding the Fourth Proportional to 110,991.60, 166,487.40 and 75,562.20

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Solution

The fourth proportional to 110,991.60, 166,487.40 and 75,562.20 is: 113,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,991.60 : 166,487.40 = 75,562.20 : x
  2. Step 2: Convert to fraction form
    110,991.60/166,487.40 = 75,562.20/x
  3. Step 3: Cross multiply
    110,991.60x = 166,487.40 × 75,562.20
  4. Step 4: Simplify right side
    110,991.60x = 12,580,154,216.28
  5. Step 5: Solve for x
    x = 12,580,154,216.28/110,991.60
  6. Step 6: Final answer
    x = 113,343.30

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