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Finding the Fourth Proportional to 110,195.40, 165,098.70 and 90,366.60

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Solution

The fourth proportional to 110,195.40, 165,098.70 and 90,366.60 is: 135,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,195.40 : 165,098.70 = 90,366.60 : x
  2. Step 2: Convert to fraction form
    110,195.40/165,098.70 = 90,366.60/x
  3. Step 3: Cross multiply
    110,195.40x = 165,098.70 × 90,366.60
  4. Step 4: Simplify right side
    110,195.40x = 14,919,408,183.42
  5. Step 5: Solve for x
    x = 14,919,408,183.42/110,195.40
  6. Step 6: Final answer
    x = 135,390.48

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