Home / 215,343.24-323,027.82-90,693.96

Finding the Fourth Proportional to 215,343.24, 323,027.82 and 90,693.96

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Solution

The fourth proportional to 215,343.24, 323,027.82 and 90,693.96 is: 136,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,343.24 : 323,027.82 = 90,693.96 : x
  2. Step 2: Convert to fraction form
    215,343.24/323,027.82 = 90,693.96/x
  3. Step 3: Cross multiply
    215,343.24x = 323,027.82 × 90,693.96
  4. Step 4: Simplify right side
    215,343.24x = 29,296,672,185.97
  5. Step 5: Solve for x
    x = 29,296,672,185.97/215,343.24
  6. Step 6: Final answer
    x = 136,046.40

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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.