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Finding the Fourth Proportional to 110,408.40, 165,612.60 and 99,327.60

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Solution

The fourth proportional to 110,408.40, 165,612.60 and 99,327.60 is: 148,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,408.40 : 165,612.60 = 99,327.60 : x
  2. Step 2: Convert to fraction form
    110,408.40/165,612.60 = 99,327.60/x
  3. Step 3: Cross multiply
    110,408.40x = 165,612.60 × 99,327.60
  4. Step 4: Simplify right side
    110,408.40x = 16,449,902,087.76
  5. Step 5: Solve for x
    x = 16,449,902,087.76/110,408.40
  6. Step 6: Final answer
    x = 148,991.40

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