Home / 200,660.27-276,704.45-140,208.86

Finding the Fourth Proportional to 200,660.27, 276,704.45 and 140,208.86

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Solution

The fourth proportional to 200,660.27, 276,704.45 and 140,208.86 is: 193,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,660.27 : 276,704.45 = 140,208.86 : x
  2. Step 2: Convert to fraction form
    200,660.27/276,704.45 = 140,208.86/x
  3. Step 3: Cross multiply
    200,660.27x = 276,704.45 × 140,208.86
  4. Step 4: Simplify right side
    200,660.27x = 38,796,413,406.86
  5. Step 5: Solve for x
    x = 38,796,413,406.86/200,660.27
  6. Step 6: Final answer
    x = 193,343.78

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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.