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Finding the Fourth Proportional to 103,803.10, 155,704.65 and 83,067.10

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Solution

The fourth proportional to 103,803.10, 155,704.65 and 83,067.10 is: 124,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,803.10 : 155,704.65 = 83,067.10 : x
  2. Step 2: Convert to fraction form
    103,803.10/155,704.65 = 83,067.10/x
  3. Step 3: Cross multiply
    103,803.10x = 155,704.65 × 83,067.10
  4. Step 4: Simplify right side
    103,803.10x = 12,933,933,732.02
  5. Step 5: Solve for x
    x = 12,933,933,732.02/103,803.10
  6. Step 6: Final answer
    x = 124,600.65

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