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Finding the Fourth Proportional to 115,961.20, 173,740.20 and 53,503.60

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Solution

The fourth proportional to 115,961.20, 173,740.20 and 53,503.60 is: 80,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,961.20 : 173,740.20 = 53,503.60 : x
  2. Step 2: Convert to fraction form
    115,961.20/173,740.20 = 53,503.60/x
  3. Step 3: Cross multiply
    115,961.20x = 173,740.20 × 53,503.60
  4. Step 4: Simplify right side
    115,961.20x = 9,295,726,164.72
  5. Step 5: Solve for x
    x = 9,295,726,164.72/115,961.20
  6. Step 6: Final answer
    x = 80,162.38

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