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Finding the Fourth Proportional to 185,245.59, 255,639.18 and 100,362.66

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Solution

The fourth proportional to 185,245.59, 255,639.18 and 100,362.66 is: 138,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,245.59 : 255,639.18 = 100,362.66 : x
  2. Step 2: Convert to fraction form
    185,245.59/255,639.18 = 100,362.66/x
  3. Step 3: Cross multiply
    185,245.59x = 255,639.18 × 100,362.66
  4. Step 4: Simplify right side
    185,245.59x = 25,656,628,105.02
  5. Step 5: Solve for x
    x = 25,656,628,105.02/185,245.59
  6. Step 6: Final answer
    x = 138,500.61

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