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Finding the Fourth Proportional to 103,646.40, 155,392.80 and 44,433.60

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Solution

The fourth proportional to 103,646.40, 155,392.80 and 44,433.60 is: 66,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.40 : 155,392.80 = 44,433.60 : x
  2. Step 2: Convert to fraction form
    103,646.40/155,392.80 = 44,433.60/x
  3. Step 3: Cross multiply
    103,646.40x = 155,392.80 × 44,433.60
  4. Step 4: Simplify right side
    103,646.40x = 6,904,661,518.08
  5. Step 5: Solve for x
    x = 6,904,661,518.08/103,646.40
  6. Step 6: Final answer
    x = 66,617.48

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