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Finding the Fourth Proportional to 115,955.20, 173,731.20 and 53,497.60

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Solution

The fourth proportional to 115,955.20, 173,731.20 and 53,497.60 is: 80,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,955.20 : 173,731.20 = 53,497.60 : x
  2. Step 2: Convert to fraction form
    115,955.20/173,731.20 = 53,497.60/x
  3. Step 3: Cross multiply
    115,955.20x = 173,731.20 × 53,497.60
  4. Step 4: Simplify right side
    115,955.20x = 9,294,202,245.12
  5. Step 5: Solve for x
    x = 9,294,202,245.12/115,955.20
  6. Step 6: Final answer
    x = 80,153.39

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