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Finding the Fourth Proportional to 103,664.80, 155,497.20 and 44,490.40

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Solution

The fourth proportional to 103,664.80, 155,497.20 and 44,490.40 is: 66,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.80 : 155,497.20 = 44,490.40 : x
  2. Step 2: Convert to fraction form
    103,664.80/155,497.20 = 44,490.40/x
  3. Step 3: Cross multiply
    103,664.80x = 155,497.20 × 44,490.40
  4. Step 4: Simplify right side
    103,664.80x = 6,918,132,626.88
  5. Step 5: Solve for x
    x = 6,918,132,626.88/103,664.80
  6. Step 6: Final answer
    x = 66,735.60

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