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Finding the Fourth Proportional to 111,933.20, 167,899.80 and 105,366.80

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Solution

The fourth proportional to 111,933.20, 167,899.80 and 105,366.80 is: 158,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.20 : 167,899.80 = 105,366.80 : x
  2. Step 2: Convert to fraction form
    111,933.20/167,899.80 = 105,366.80/x
  3. Step 3: Cross multiply
    111,933.20x = 167,899.80 × 105,366.80
  4. Step 4: Simplify right side
    111,933.20x = 17,691,064,646.64
  5. Step 5: Solve for x
    x = 17,691,064,646.64/111,933.20
  6. Step 6: Final answer
    x = 158,050.20

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