Home / 202,381.65-303,517.03-76,012.12

Finding the Fourth Proportional to 202,381.65, 303,517.03 and 76,012.12

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Solution

The fourth proportional to 202,381.65, 303,517.03 and 76,012.12 is: 113,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,381.65 : 303,517.03 = 76,012.12 : x
  2. Step 2: Convert to fraction form
    202,381.65/303,517.03 = 76,012.12/x
  3. Step 3: Cross multiply
    202,381.65x = 303,517.03 × 76,012.12
  4. Step 4: Simplify right side
    202,381.65x = 23,070,972,906.40
  5. Step 5: Solve for x
    x = 23,070,972,906.40/202,381.65
  6. Step 6: Final answer
    x = 113,997.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.