Home / 140,256-210,388.23-54,863.43

Finding the Fourth Proportional to 140,256, 210,388.23 and 54,863.43

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Solution

The fourth proportional to 140,256, 210,388.23 and 54,863.43 is: 82,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,256 : 210,388.23 = 54,863.43 : x
  2. Step 2: Convert to fraction form
    140,256/210,388.23 = 54,863.43/x
  3. Step 3: Cross multiply
    140,256x = 210,388.23 × 54,863.43
  4. Step 4: Simplify right side
    140,256x = 11,542,619,929.43
  5. Step 5: Solve for x
    x = 11,542,619,929.43/140,256
  6. Step 6: Final answer
    x = 82,296.80

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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.