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Finding the Fourth Proportional to 118,398.40, 177,540.03 and 39,485.97

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Solution

The fourth proportional to 118,398.40, 177,540.03 and 39,485.97 is: 59,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,398.40 : 177,540.03 = 39,485.97 : x
  2. Step 2: Convert to fraction form
    118,398.40/177,540.03 = 39,485.97/x
  3. Step 3: Cross multiply
    118,398.40x = 177,540.03 × 39,485.97
  4. Step 4: Simplify right side
    118,398.40x = 7,010,340,298.38
  5. Step 5: Solve for x
    x = 7,010,340,298.38/118,398.40
  6. Step 6: Final answer
    x = 59,209.76

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