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Finding the Fourth Proportional to 173,556.40, 259,816.20 and 103,399.60

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Solution

The fourth proportional to 173,556.40, 259,816.20 and 103,399.60 is: 154,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,556.40 : 259,816.20 = 103,399.60 : x
  2. Step 2: Convert to fraction form
    173,556.40/259,816.20 = 103,399.60/x
  3. Step 3: Cross multiply
    173,556.40x = 259,816.20 × 103,399.60
  4. Step 4: Simplify right side
    173,556.40x = 26,864,891,153.52
  5. Step 5: Solve for x
    x = 26,864,891,153.52/173,556.40
  6. Step 6: Final answer
    x = 154,790.55

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