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Finding the Fourth Proportional to 200,808.86, 301,021.21 and 74,415.16

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Solution

The fourth proportional to 200,808.86, 301,021.21 and 74,415.16 is: 111,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,808.86 : 301,021.21 = 74,415.16 : x
  2. Step 2: Convert to fraction form
    200,808.86/301,021.21 = 74,415.16/x
  3. Step 3: Cross multiply
    200,808.86x = 301,021.21 × 74,415.16
  4. Step 4: Simplify right side
    200,808.86x = 22,400,539,628.36
  5. Step 5: Solve for x
    x = 22,400,539,628.36/200,808.86
  6. Step 6: Final answer
    x = 111,551.55

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