Home / 215,795.39-323,739.82-82,675.65

Finding the Fourth Proportional to 215,795.39, 323,739.82 and 82,675.65

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Solution

The fourth proportional to 215,795.39, 323,739.82 and 82,675.65 is: 124,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,795.39 : 323,739.82 = 82,675.65 : x
  2. Step 2: Convert to fraction form
    215,795.39/323,739.82 = 82,675.65/x
  3. Step 3: Cross multiply
    215,795.39x = 323,739.82 × 82,675.65
  4. Step 4: Simplify right side
    215,795.39x = 26,765,401,366.75
  5. Step 5: Solve for x
    x = 26,765,401,366.75/215,795.39
  6. Step 6: Final answer
    x = 124,031.39

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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.