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Finding the Fourth Proportional to 115,854.12, 173,794.86 and 36,940.68

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Solution

The fourth proportional to 115,854.12, 173,794.86 and 36,940.68 is: 55,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,854.12 : 173,794.86 = 36,940.68 : x
  2. Step 2: Convert to fraction form
    115,854.12/173,794.86 = 36,940.68/x
  3. Step 3: Cross multiply
    115,854.12x = 173,794.86 × 36,940.68
  4. Step 4: Simplify right side
    115,854.12x = 6,420,100,308.90
  5. Step 5: Solve for x
    x = 6,420,100,308.90/115,854.12
  6. Step 6: Final answer
    x = 55,415.38

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