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Finding the Fourth Proportional to 144,049.56, 198,732.90 and 90,240.84

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Solution

The fourth proportional to 144,049.56, 198,732.90 and 90,240.84 is: 124,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049.56 : 198,732.90 = 90,240.84 : x
  2. Step 2: Convert to fraction form
    144,049.56/198,732.90 = 90,240.84/x
  3. Step 3: Cross multiply
    144,049.56x = 198,732.90 × 90,240.84
  4. Step 4: Simplify right side
    144,049.56x = 17,933,823,831.64
  5. Step 5: Solve for x
    x = 17,933,823,831.64/144,049.56
  6. Step 6: Final answer
    x = 124,497.60

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