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Finding the Fourth Proportional to 185,240.49, 255,632.13 and 100,357.56

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Solution

The fourth proportional to 185,240.49, 255,632.13 and 100,357.56 is: 138,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,240.49 : 255,632.13 = 100,357.56 : x
  2. Step 2: Convert to fraction form
    185,240.49/255,632.13 = 100,357.56/x
  3. Step 3: Cross multiply
    185,240.49x = 255,632.13 × 100,357.56
  4. Step 4: Simplify right side
    185,240.49x = 25,654,616,824.40
  5. Step 5: Solve for x
    x = 25,654,616,824.40/185,240.49
  6. Step 6: Final answer
    x = 138,493.57

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