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Finding the Fourth Proportional to 203,272.07, 305,187.41 and 103,499.31

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Solution

The fourth proportional to 203,272.07, 305,187.41 and 103,499.31 is: 155,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,272.07 : 305,187.41 = 103,499.31 : x
  2. Step 2: Convert to fraction form
    203,272.07/305,187.41 = 103,499.31/x
  3. Step 3: Cross multiply
    203,272.07x = 305,187.41 × 103,499.31
  4. Step 4: Simplify right side
    203,272.07x = 31,586,685,838.19
  5. Step 5: Solve for x
    x = 31,586,685,838.19/203,272.07
  6. Step 6: Final answer
    x = 155,391.17

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