Home / 203,586.11-280,949.17-112,942.08

Finding the Fourth Proportional to 203,586.11, 280,949.17 and 112,942.08

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Solution

The fourth proportional to 203,586.11, 280,949.17 and 112,942.08 is: 155,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,586.11 : 280,949.17 = 112,942.08 : x
  2. Step 2: Convert to fraction form
    203,586.11/280,949.17 = 112,942.08/x
  3. Step 3: Cross multiply
    203,586.11x = 280,949.17 × 112,942.08
  4. Step 4: Simplify right side
    203,586.11x = 31,730,983,634.07
  5. Step 5: Solve for x
    x = 31,730,983,634.07/203,586.11
  6. Step 6: Final answer
    x = 155,860.26

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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.