Home / 172,045.22-258,067.82-53,725.78

Finding the Fourth Proportional to 172,045.22, 258,067.82 and 53,725.78

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Solution

The fourth proportional to 172,045.22, 258,067.82 and 53,725.78 is: 80,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,045.22 : 258,067.82 = 53,725.78 : x
  2. Step 2: Convert to fraction form
    172,045.22/258,067.82 = 53,725.78/x
  3. Step 3: Cross multiply
    172,045.22x = 258,067.82 × 53,725.78
  4. Step 4: Simplify right side
    172,045.22x = 13,864,895,379.30
  5. Step 5: Solve for x
    x = 13,864,895,379.30/172,045.22
  6. Step 6: Final answer
    x = 80,588.67

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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.