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Finding the Fourth Proportional to 185,126.51, 255,474.41 and 100,243.58

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Solution

The fourth proportional to 185,126.51, 255,474.41 and 100,243.58 is: 138,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,126.51 : 255,474.41 = 100,243.58 : x
  2. Step 2: Convert to fraction form
    185,126.51/255,474.41 = 100,243.58/x
  3. Step 3: Cross multiply
    185,126.51x = 255,474.41 × 100,243.58
  4. Step 4: Simplify right side
    185,126.51x = 25,609,667,678.20
  5. Step 5: Solve for x
    x = 25,609,667,678.20/185,126.51
  6. Step 6: Final answer
    x = 138,336.03

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