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Finding the Fourth Proportional to 104,988.97, 144,885.47 and 57,243.11

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Solution

The fourth proportional to 104,988.97, 144,885.47 and 57,243.11 is: 78,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,988.97 : 144,885.47 = 57,243.11 : x
  2. Step 2: Convert to fraction form
    104,988.97/144,885.47 = 57,243.11/x
  3. Step 3: Cross multiply
    104,988.97x = 144,885.47 × 57,243.11
  4. Step 4: Simplify right side
    104,988.97x = 8,293,694,972.61
  5. Step 5: Solve for x
    x = 8,293,694,972.61/104,988.97
  6. Step 6: Final answer
    x = 78,995.87

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