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Finding the Fourth Proportional to 111,361.75, 167,052.36 and 28,255.75

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Solution

The fourth proportional to 111,361.75, 167,052.36 and 28,255.75 is: 42,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,361.75 : 167,052.36 = 28,255.75 : x
  2. Step 2: Convert to fraction form
    111,361.75/167,052.36 = 28,255.75/x
  3. Step 3: Cross multiply
    111,361.75x = 167,052.36 × 28,255.75
  4. Step 4: Simplify right side
    111,361.75x = 4,720,189,721.07
  5. Step 5: Solve for x
    x = 4,720,189,721.07/111,361.75
  6. Step 6: Final answer
    x = 42,386.10

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