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Finding the Fourth Proportional to 118,843.72, 163,977.72 and 67,840.16

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Solution

The fourth proportional to 118,843.72, 163,977.72 and 67,840.16 is: 93,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,843.72 : 163,977.72 = 67,840.16 : x
  2. Step 2: Convert to fraction form
    118,843.72/163,977.72 = 67,840.16/x
  3. Step 3: Cross multiply
    118,843.72x = 163,977.72 × 67,840.16
  4. Step 4: Simplify right side
    118,843.72x = 11,124,274,761.24
  5. Step 5: Solve for x
    x = 11,124,274,761.24/118,843.72
  6. Step 6: Final answer
    x = 93,604.23

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