Home / 219,126.63-328,553.25-100,645.92

Finding the Fourth Proportional to 219,126.63, 328,553.25 and 100,645.92

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Solution

The fourth proportional to 219,126.63, 328,553.25 and 100,645.92 is: 150,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,126.63 : 328,553.25 = 100,645.92 : x
  2. Step 2: Convert to fraction form
    219,126.63/328,553.25 = 100,645.92/x
  3. Step 3: Cross multiply
    219,126.63x = 328,553.25 × 100,645.92
  4. Step 4: Simplify right side
    219,126.63x = 33,067,544,115.24
  5. Step 5: Solve for x
    x = 33,067,544,115.24/219,126.63
  6. Step 6: Final answer
    x = 150,906.10

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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.