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Finding the Fourth Proportional to 138,227.96, 190,772.88 and 77,810.33

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Solution

The fourth proportional to 138,227.96, 190,772.88 and 77,810.33 is: 107,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,227.96 : 190,772.88 = 77,810.33 : x
  2. Step 2: Convert to fraction form
    138,227.96/190,772.88 = 77,810.33/x
  3. Step 3: Cross multiply
    138,227.96x = 190,772.88 × 77,810.33
  4. Step 4: Simplify right side
    138,227.96x = 14,844,100,747.85
  5. Step 5: Solve for x
    x = 14,844,100,747.85/138,227.96
  6. Step 6: Final answer
    x = 107,388.55

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