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Finding the Fourth Proportional to 103,694.51, 155,540.74 and 47,518.68

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Solution

The fourth proportional to 103,694.51, 155,540.74 and 47,518.68 is: 71,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.51 : 155,540.74 = 47,518.68 : x
  2. Step 2: Convert to fraction form
    103,694.51/155,540.74 = 47,518.68/x
  3. Step 3: Cross multiply
    103,694.51x = 155,540.74 × 47,518.68
  4. Step 4: Simplify right side
    103,694.51x = 7,391,090,651.02
  5. Step 5: Solve for x
    x = 7,391,090,651.02/103,694.51
  6. Step 6: Final answer
    x = 71,277.55

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