Home / 204,026.20-306,039.30-70,919.91

Finding the Fourth Proportional to 204,026.20, 306,039.30 and 70,919.91

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Solution

The fourth proportional to 204,026.20, 306,039.30 and 70,919.91 is: 106,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,026.20 : 306,039.30 = 70,919.91 : x
  2. Step 2: Convert to fraction form
    204,026.20/306,039.30 = 70,919.91/x
  3. Step 3: Cross multiply
    204,026.20x = 306,039.30 × 70,919.91
  4. Step 4: Simplify right side
    204,026.20x = 21,704,279,612.46
  5. Step 5: Solve for x
    x = 21,704,279,612.46/204,026.20
  6. Step 6: Final answer
    x = 106,379.87

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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.