Home / 86,249.43-119,009.38-79,273.37

Finding the Fourth Proportional to 86,249.43, 119,009.38 and 79,273.37

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Solution

The fourth proportional to 86,249.43, 119,009.38 and 79,273.37 is: 109,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249.43 : 119,009.38 = 79,273.37 : x
  2. Step 2: Convert to fraction form
    86,249.43/119,009.38 = 79,273.37/x
  3. Step 3: Cross multiply
    86,249.43x = 119,009.38 × 79,273.37
  4. Step 4: Simplify right side
    86,249.43x = 9,434,274,614.21
  5. Step 5: Solve for x
    x = 9,434,274,614.21/86,249.43
  6. Step 6: Final answer
    x = 109,383.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.