Home / 203,869.68-281,332.37-113,231.42

Finding the Fourth Proportional to 203,869.68, 281,332.37 and 113,231.42

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Solution

The fourth proportional to 203,869.68, 281,332.37 and 113,231.42 is: 156,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,869.68 : 281,332.37 = 113,231.42 : x
  2. Step 2: Convert to fraction form
    203,869.68/281,332.37 = 113,231.42/x
  3. Step 3: Cross multiply
    203,869.68x = 281,332.37 × 113,231.42
  4. Step 4: Simplify right side
    203,869.68x = 31,855,663,678.48
  5. Step 5: Solve for x
    x = 31,855,663,678.48/203,869.68
  6. Step 6: Final answer
    x = 156,255.04

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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.