Home / 214,976.10-322,467.30-81,863.72

Finding the Fourth Proportional to 214,976.10, 322,467.30 and 81,863.72

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Solution

The fourth proportional to 214,976.10, 322,467.30 and 81,863.72 is: 122,796.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,976.10 : 322,467.30 = 81,863.72 : x
  2. Step 2: Convert to fraction form
    214,976.10/322,467.30 = 81,863.72/x
  3. Step 3: Cross multiply
    214,976.10x = 322,467.30 × 81,863.72
  4. Step 4: Simplify right side
    214,976.10x = 26,398,372,756.36
  5. Step 5: Solve for x
    x = 26,398,372,756.36/214,976.10
  6. Step 6: Final answer
    x = 122,796.78

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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.