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Finding the Fourth Proportional to 117,111.49, 175,842.21 and 115,361.89

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Solution

The fourth proportional to 117,111.49, 175,842.21 and 115,361.89 is: 173,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,111.49 : 175,842.21 = 115,361.89 : x
  2. Step 2: Convert to fraction form
    117,111.49/175,842.21 = 115,361.89/x
  3. Step 3: Cross multiply
    117,111.49x = 175,842.21 × 115,361.89
  4. Step 4: Simplify right side
    117,111.49x = 20,285,489,687.38
  5. Step 5: Solve for x
    x = 20,285,489,687.38/117,111.49
  6. Step 6: Final answer
    x = 173,215.20

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