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Finding the Fourth Proportional to 109,903.40, 164,855.10 and 50,854.40

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Solution

The fourth proportional to 109,903.40, 164,855.10 and 50,854.40 is: 76,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,903.40 : 164,855.10 = 50,854.40 : x
  2. Step 2: Convert to fraction form
    109,903.40/164,855.10 = 50,854.40/x
  3. Step 3: Cross multiply
    109,903.40x = 164,855.10 × 50,854.40
  4. Step 4: Simplify right side
    109,903.40x = 8,383,607,197.44
  5. Step 5: Solve for x
    x = 8,383,607,197.44/109,903.40
  6. Step 6: Final answer
    x = 76,281.60

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