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Finding the Fourth Proportional to 105,955.48, 158,785.44 and 79,629.40

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Solution

The fourth proportional to 105,955.48, 158,785.44 and 79,629.40 is: 119,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,955.48 : 158,785.44 = 79,629.40 : x
  2. Step 2: Convert to fraction form
    105,955.48/158,785.44 = 79,629.40/x
  3. Step 3: Cross multiply
    105,955.48x = 158,785.44 × 79,629.40
  4. Step 4: Simplify right side
    105,955.48x = 12,643,989,315.94
  5. Step 5: Solve for x
    x = 12,643,989,315.94/105,955.48
  6. Step 6: Final answer
    x = 119,333.04

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