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Finding the Fourth Proportional to 118,198.32, 163,109.94 and 67,216.59

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Solution

The fourth proportional to 118,198.32, 163,109.94 and 67,216.59 is: 92,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,198.32 : 163,109.94 = 67,216.59 : x
  2. Step 2: Convert to fraction form
    118,198.32/163,109.94 = 67,216.59/x
  3. Step 3: Cross multiply
    118,198.32x = 163,109.94 × 67,216.59
  4. Step 4: Simplify right side
    118,198.32x = 10,963,693,961.90
  5. Step 5: Solve for x
    x = 10,963,693,961.90/118,198.32
  6. Step 6: Final answer
    x = 92,756.77

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