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Finding the Fourth Proportional to 118,201.97, 163,119.69 and 64,487.88

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Solution

The fourth proportional to 118,201.97, 163,119.69 and 64,487.88 is: 88,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,201.97 : 163,119.69 = 64,487.88 : x
  2. Step 2: Convert to fraction form
    118,201.97/163,119.69 = 64,487.88/x
  3. Step 3: Cross multiply
    118,201.97x = 163,119.69 × 64,487.88
  4. Step 4: Simplify right side
    118,201.97x = 10,519,242,994.36
  5. Step 5: Solve for x
    x = 10,519,242,994.36/118,201.97
  6. Step 6: Final answer
    x = 88,993.80

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