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Finding the Fourth Proportional to 110,408.84, 165,640.80 and 51,286.40

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Solution

The fourth proportional to 110,408.84, 165,640.80 and 51,286.40 is: 76,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,408.84 : 165,640.80 = 51,286.40 : x
  2. Step 2: Convert to fraction form
    110,408.84/165,640.80 = 51,286.40/x
  3. Step 3: Cross multiply
    110,408.84x = 165,640.80 × 51,286.40
  4. Step 4: Simplify right side
    110,408.84x = 8,495,120,325.12
  5. Step 5: Solve for x
    x = 8,495,120,325.12/110,408.84
  6. Step 6: Final answer
    x = 76,942.39

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