Home / 202,192.64-303,454.16-143,085.28

Finding the Fourth Proportional to 202,192.64, 303,454.16 and 143,085.28

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Solution

The fourth proportional to 202,192.64, 303,454.16 and 143,085.28 is: 214,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,192.64 : 303,454.16 = 143,085.28 : x
  2. Step 2: Convert to fraction form
    202,192.64/303,454.16 = 143,085.28/x
  3. Step 3: Cross multiply
    202,192.64x = 303,454.16 × 143,085.28
  4. Step 4: Simplify right side
    202,192.64x = 43,419,823,450.76
  5. Step 5: Solve for x
    x = 43,419,823,450.76/202,192.64
  6. Step 6: Final answer
    x = 214,744.83

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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.