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Finding the Fourth Proportional to 115,959.40, 174,003.90 and 49,388.20

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Solution

The fourth proportional to 115,959.40, 174,003.90 and 49,388.20 is: 74,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,959.40 : 174,003.90 = 49,388.20 : x
  2. Step 2: Convert to fraction form
    115,959.40/174,003.90 = 49,388.20/x
  3. Step 3: Cross multiply
    115,959.40x = 174,003.90 × 49,388.20
  4. Step 4: Simplify right side
    115,959.40x = 8,593,739,413.98
  5. Step 5: Solve for x
    x = 8,593,739,413.98/115,959.40
  6. Step 6: Final answer
    x = 74,109.90

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