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Finding the Fourth Proportional to 202,309.80, 303,464.70 and 69,170.10

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Solution

The fourth proportional to 202,309.80, 303,464.70 and 69,170.10 is: 103,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,309.80 : 303,464.70 = 69,170.10 : x
  2. Step 2: Convert to fraction form
    202,309.80/303,464.70 = 69,170.10/x
  3. Step 3: Cross multiply
    202,309.80x = 303,464.70 × 69,170.10
  4. Step 4: Simplify right side
    202,309.80x = 20,990,683,645.47
  5. Step 5: Solve for x
    x = 20,990,683,645.47/202,309.80
  6. Step 6: Final answer
    x = 103,755.15

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