Home / 206,781.61-310,174.05-113,236.33

Finding the Fourth Proportional to 206,781.61, 310,174.05 and 113,236.33

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Solution

The fourth proportional to 206,781.61, 310,174.05 and 113,236.33 is: 169,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,781.61 : 310,174.05 = 113,236.33 : x
  2. Step 2: Convert to fraction form
    206,781.61/310,174.05 = 113,236.33/x
  3. Step 3: Cross multiply
    206,781.61x = 310,174.05 × 113,236.33
  4. Step 4: Simplify right side
    206,781.61x = 35,122,971,083.24
  5. Step 5: Solve for x
    x = 35,122,971,083.24/206,781.61
  6. Step 6: Final answer
    x = 169,855.39

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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.