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Finding the Fourth Proportional to 127,973.20, 192,046.20 and 71,813.20

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Solution

The fourth proportional to 127,973.20, 192,046.20 and 71,813.20 is: 107,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,973.20 : 192,046.20 = 71,813.20 : x
  2. Step 2: Convert to fraction form
    127,973.20/192,046.20 = 71,813.20/x
  3. Step 3: Cross multiply
    127,973.20x = 192,046.20 × 71,813.20
  4. Step 4: Simplify right side
    127,973.20x = 13,791,452,169.84
  5. Step 5: Solve for x
    x = 13,791,452,169.84/127,973.20
  6. Step 6: Final answer
    x = 107,768.28

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