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Finding the Fourth Proportional to 103,691.60, 155,550.24 and 37,138.88

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Solution

The fourth proportional to 103,691.60, 155,550.24 and 37,138.88 is: 55,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.60 : 155,550.24 = 37,138.88 : x
  2. Step 2: Convert to fraction form
    103,691.60/155,550.24 = 37,138.88/x
  3. Step 3: Cross multiply
    103,691.60x = 155,550.24 × 37,138.88
  4. Step 4: Simplify right side
    103,691.60x = 5,776,961,697.33
  5. Step 5: Solve for x
    x = 5,776,961,697.33/103,691.60
  6. Step 6: Final answer
    x = 55,712.92

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