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Finding the Fourth Proportional to 168,704.40, 253,056.60 and 68,831.40

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Solution

The fourth proportional to 168,704.40, 253,056.60 and 68,831.40 is: 103,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,704.40 : 253,056.60 = 68,831.40 : x
  2. Step 2: Convert to fraction form
    168,704.40/253,056.60 = 68,831.40/x
  3. Step 3: Cross multiply
    168,704.40x = 253,056.60 × 68,831.40
  4. Step 4: Simplify right side
    168,704.40x = 17,418,240,057.24
  5. Step 5: Solve for x
    x = 17,418,240,057.24/168,704.40
  6. Step 6: Final answer
    x = 103,247.10

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