Home / 215,001.37-296,694.41-138,523.69

Finding the Fourth Proportional to 215,001.37, 296,694.41 and 138,523.69

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Solution

The fourth proportional to 215,001.37, 296,694.41 and 138,523.69 is: 191,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,001.37 : 296,694.41 = 138,523.69 : x
  2. Step 2: Convert to fraction form
    215,001.37/296,694.41 = 138,523.69/x
  3. Step 3: Cross multiply
    215,001.37x = 296,694.41 × 138,523.69
  4. Step 4: Simplify right side
    215,001.37x = 41,099,202,992.10
  5. Step 5: Solve for x
    x = 41,099,202,992.10/215,001.37
  6. Step 6: Final answer
    x = 191,157.87

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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.