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Finding the Fourth Proportional to 136,860.52, 188,765.22 and 92,139.88

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Solution

The fourth proportional to 136,860.52, 188,765.22 and 92,139.88 is: 127,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,860.52 : 188,765.22 = 92,139.88 : x
  2. Step 2: Convert to fraction form
    136,860.52/188,765.22 = 92,139.88/x
  3. Step 3: Cross multiply
    136,860.52x = 188,765.22 × 92,139.88
  4. Step 4: Simplify right side
    136,860.52x = 17,392,804,718.97
  5. Step 5: Solve for x
    x = 17,392,804,718.97/136,860.52
  6. Step 6: Final answer
    x = 127,084.16

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