Home / 220,723.98-331,174.05-100,837.50

Finding the Fourth Proportional to 220,723.98, 331,174.05 and 100,837.50

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Solution

The fourth proportional to 220,723.98, 331,174.05 and 100,837.50 is: 151,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,723.98 : 331,174.05 = 100,837.50 : x
  2. Step 2: Convert to fraction form
    220,723.98/331,174.05 = 100,837.50/x
  3. Step 3: Cross multiply
    220,723.98x = 331,174.05 × 100,837.50
  4. Step 4: Simplify right side
    220,723.98x = 33,394,763,266.88
  5. Step 5: Solve for x
    x = 33,394,763,266.88/220,723.98
  6. Step 6: Final answer
    x = 151,296.49

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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.