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Finding the Fourth Proportional to 105,168.38, 157,752.56 and 31,296.38

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Solution

The fourth proportional to 105,168.38, 157,752.56 and 31,296.38 is: 46,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,168.38 : 157,752.56 = 31,296.38 : x
  2. Step 2: Convert to fraction form
    105,168.38/157,752.56 = 31,296.38/x
  3. Step 3: Cross multiply
    105,168.38x = 157,752.56 × 31,296.38
  4. Step 4: Simplify right side
    105,168.38x = 4,937,083,353.21
  5. Step 5: Solve for x
    x = 4,937,083,353.21/105,168.38
  6. Step 6: Final answer
    x = 46,944.56

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