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Finding the Fourth Proportional to 138,992.09, 191,810.03 and 75,330.95

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Solution

The fourth proportional to 138,992.09, 191,810.03 and 75,330.95 is: 103,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,992.09 : 191,810.03 = 75,330.95 : x
  2. Step 2: Convert to fraction form
    138,992.09/191,810.03 = 75,330.95/x
  3. Step 3: Cross multiply
    138,992.09x = 191,810.03 × 75,330.95
  4. Step 4: Simplify right side
    138,992.09x = 14,449,230,443.72
  5. Step 5: Solve for x
    x = 14,449,230,443.72/138,992.09
  6. Step 6: Final answer
    x = 103,957.22

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