Home / 285,481.14-428,228.64-95,944.26

Finding the Fourth Proportional to 285,481.14, 428,228.64 and 95,944.26

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Solution

The fourth proportional to 285,481.14, 428,228.64 and 95,944.26 is: 143,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,481.14 : 428,228.64 = 95,944.26 : x
  2. Step 2: Convert to fraction form
    285,481.14/428,228.64 = 95,944.26/x
  3. Step 3: Cross multiply
    285,481.14x = 428,228.64 × 95,944.26
  4. Step 4: Simplify right side
    285,481.14x = 41,086,079,975.61
  5. Step 5: Solve for x
    x = 41,086,079,975.61/285,481.14
  6. Step 6: Final answer
    x = 143,918.72

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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.