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Finding the Fourth Proportional to 198,242.36, 297,204.92 and 103,424.96

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Solution

The fourth proportional to 198,242.36, 297,204.92 and 103,424.96 is: 155,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.36 : 297,204.92 = 103,424.96 : x
  2. Step 2: Convert to fraction form
    198,242.36/297,204.92 = 103,424.96/x
  3. Step 3: Cross multiply
    198,242.36x = 297,204.92 × 103,424.96
  4. Step 4: Simplify right side
    198,242.36x = 30,738,406,962.80
  5. Step 5: Solve for x
    x = 30,738,406,962.80/198,242.36
  6. Step 6: Final answer
    x = 155,054.69

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