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Finding the Fourth Proportional to 103,620.22, 155,226.94 and 53,732.93

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Solution

The fourth proportional to 103,620.22, 155,226.94 and 53,732.93 is: 80,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.22 : 155,226.94 = 53,732.93 : x
  2. Step 2: Convert to fraction form
    103,620.22/155,226.94 = 53,732.93/x
  3. Step 3: Cross multiply
    103,620.22x = 155,226.94 × 53,732.93
  4. Step 4: Simplify right side
    103,620.22x = 8,340,798,301.13
  5. Step 5: Solve for x
    x = 8,340,798,301.13/103,620.22
  6. Step 6: Final answer
    x = 80,493.93

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