Home / 214,886.29-322,469.30-81,767.65

Finding the Fourth Proportional to 214,886.29, 322,469.30 and 81,767.65

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Solution

The fourth proportional to 214,886.29, 322,469.30 and 81,767.65 is: 122,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,886.29 : 322,469.30 = 81,767.65 : x
  2. Step 2: Convert to fraction form
    214,886.29/322,469.30 = 81,767.65/x
  3. Step 3: Cross multiply
    214,886.29x = 322,469.30 × 81,767.65
  4. Step 4: Simplify right side
    214,886.29x = 26,367,554,836.96
  5. Step 5: Solve for x
    x = 26,367,554,836.96/214,886.29
  6. Step 6: Final answer
    x = 122,704.69

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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.