Home / 214,883.29-322,464.79-81,764.65

Finding the Fourth Proportional to 214,883.29, 322,464.79 and 81,764.65

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Solution

The fourth proportional to 214,883.29, 322,464.79 and 81,764.65 is: 122,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,883.29 : 322,464.79 = 81,764.65 : x
  2. Step 2: Convert to fraction form
    214,883.29/322,464.79 = 81,764.65/x
  3. Step 3: Cross multiply
    214,883.29x = 322,464.79 × 81,764.65
  4. Step 4: Simplify right side
    214,883.29x = 26,366,219,079.35
  5. Step 5: Solve for x
    x = 26,366,219,079.35/214,883.29
  6. Step 6: Final answer
    x = 122,700.19

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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.