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Finding the Fourth Proportional to 151,016.80, 226,330.80 and 115,781.80

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Solution

The fourth proportional to 151,016.80, 226,330.80 and 115,781.80 is: 173,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,016.80 : 226,330.80 = 115,781.80 : x
  2. Step 2: Convert to fraction form
    151,016.80/226,330.80 = 115,781.80/x
  3. Step 3: Cross multiply
    151,016.80x = 226,330.80 × 115,781.80
  4. Step 4: Simplify right side
    151,016.80x = 26,204,987,419.44
  5. Step 5: Solve for x
    x = 26,204,987,419.44/151,016.80
  6. Step 6: Final answer
    x = 173,523.66

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1.5x scale

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.