Home / 214,838.88-322,175.52-81,648.96

Finding the Fourth Proportional to 214,838.88, 322,175.52 and 81,648.96

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Solution

The fourth proportional to 214,838.88, 322,175.52 and 81,648.96 is: 122,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,838.88 : 322,175.52 = 81,648.96 : x
  2. Step 2: Convert to fraction form
    214,838.88/322,175.52 = 81,648.96/x
  3. Step 3: Cross multiply
    214,838.88x = 322,175.52 × 81,648.96
  4. Step 4: Simplify right side
    214,838.88x = 26,305,296,145.46
  5. Step 5: Solve for x
    x = 26,305,296,145.46/214,838.88
  6. Step 6: Final answer
    x = 122,441.97

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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.