Home / 202,500.23-279,449.20-111,862.43

Finding the Fourth Proportional to 202,500.23, 279,449.20 and 111,862.43

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Solution

The fourth proportional to 202,500.23, 279,449.20 and 111,862.43 is: 154,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,500.23 : 279,449.20 = 111,862.43 : x
  2. Step 2: Convert to fraction form
    202,500.23/279,449.20 = 111,862.43/x
  3. Step 3: Cross multiply
    202,500.23x = 279,449.20 × 111,862.43
  4. Step 4: Simplify right side
    202,500.23x = 31,259,866,573.56
  5. Step 5: Solve for x
    x = 31,259,866,573.56/202,500.23
  6. Step 6: Final answer
    x = 154,369.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.