Home / 151,982.70-228,103.65-67,872.30

Finding the Fourth Proportional to 151,982.70, 228,103.65 and 67,872.30

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Solution

The fourth proportional to 151,982.70, 228,103.65 and 67,872.30 is: 101,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,982.70 : 228,103.65 = 67,872.30 : x
  2. Step 2: Convert to fraction form
    151,982.70/228,103.65 = 67,872.30/x
  3. Step 3: Cross multiply
    151,982.70x = 228,103.65 × 67,872.30
  4. Step 4: Simplify right side
    151,982.70x = 15,481,919,363.90
  5. Step 5: Solve for x
    x = 15,481,919,363.90/151,982.70
  6. Step 6: Final answer
    x = 101,866.33

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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.