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Finding the Fourth Proportional to 118,942.41, 164,129.05 and 71,194.74

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Solution

The fourth proportional to 118,942.41, 164,129.05 and 71,194.74 is: 98,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942.41 : 164,129.05 = 71,194.74 : x
  2. Step 2: Convert to fraction form
    118,942.41/164,129.05 = 71,194.74/x
  3. Step 3: Cross multiply
    118,942.41x = 164,129.05 × 71,194.74
  4. Step 4: Simplify right side
    118,942.41x = 11,685,125,041.20
  5. Step 5: Solve for x
    x = 11,685,125,041.20/118,942.41
  6. Step 6: Final answer
    x = 98,241.87

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