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Finding the Fourth Proportional to 106,369.53, 159,553.80 and 31,490.12

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Solution

The fourth proportional to 106,369.53, 159,553.80 and 31,490.12 is: 47,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,369.53 : 159,553.80 = 31,490.12 : x
  2. Step 2: Convert to fraction form
    106,369.53/159,553.80 = 31,490.12/x
  3. Step 3: Cross multiply
    106,369.53x = 159,553.80 × 31,490.12
  4. Step 4: Simplify right side
    106,369.53x = 5,024,367,510.69
  5. Step 5: Solve for x
    x = 5,024,367,510.69/106,369.53
  6. Step 6: Final answer
    x = 47,235.03

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