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Finding the Fourth Proportional to 103,291.20, 154,951.20 and 44,126.40

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Solution

The fourth proportional to 103,291.20, 154,951.20 and 44,126.40 is: 66,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,291.20 : 154,951.20 = 44,126.40 : x
  2. Step 2: Convert to fraction form
    103,291.20/154,951.20 = 44,126.40/x
  3. Step 3: Cross multiply
    103,291.20x = 154,951.20 × 44,126.40
  4. Step 4: Simplify right side
    103,291.20x = 6,837,438,631.68
  5. Step 5: Solve for x
    x = 6,837,438,631.68/103,291.20
  6. Step 6: Final answer
    x = 66,195.75

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