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Finding the Fourth Proportional to 202,712.80, 303,631.80 and 167,720.80

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Solution

The fourth proportional to 202,712.80, 303,631.80 and 167,720.80 is: 251,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,712.80 : 303,631.80 = 167,720.80 : x
  2. Step 2: Convert to fraction form
    202,712.80/303,631.80 = 167,720.80/x
  3. Step 3: Cross multiply
    202,712.80x = 303,631.80 × 167,720.80
  4. Step 4: Simplify right side
    202,712.80x = 50,925,368,401.44
  5. Step 5: Solve for x
    x = 50,925,368,401.44/202,712.80
  6. Step 6: Final answer
    x = 251,219.30

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