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Finding the Fourth Proportional to 114,927.32, 172,391.02 and 31,821.32

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Solution

The fourth proportional to 114,927.32, 172,391.02 and 31,821.32 is: 47,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927.32 : 172,391.02 = 31,821.32 : x
  2. Step 2: Convert to fraction form
    114,927.32/172,391.02 = 31,821.32/x
  3. Step 3: Cross multiply
    114,927.32x = 172,391.02 × 31,821.32
  4. Step 4: Simplify right side
    114,927.32x = 5,485,710,163.97
  5. Step 5: Solve for x
    x = 5,485,710,163.97/114,927.32
  6. Step 6: Final answer
    x = 47,731.99

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