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Finding the Fourth Proportional to 115,540.40, 173,310.60 and 48,969.20

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Solution

The fourth proportional to 115,540.40, 173,310.60 and 48,969.20 is: 73,453.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,540.40 : 173,310.60 = 48,969.20 : x
  2. Step 2: Convert to fraction form
    115,540.40/173,310.60 = 48,969.20/x
  3. Step 3: Cross multiply
    115,540.40x = 173,310.60 × 48,969.20
  4. Step 4: Simplify right side
    115,540.40x = 8,486,881,433.52
  5. Step 5: Solve for x
    x = 8,486,881,433.52/115,540.40
  6. Step 6: Final answer
    x = 73,453.80

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