Home / 190,489.92-285,676.55-131,703.36

Finding the Fourth Proportional to 190,489.92, 285,676.55 and 131,703.36

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Solution

The fourth proportional to 190,489.92, 285,676.55 and 131,703.36 is: 197,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,489.92 : 285,676.55 = 131,703.36 : x
  2. Step 2: Convert to fraction form
    190,489.92/285,676.55 = 131,703.36/x
  3. Step 3: Cross multiply
    190,489.92x = 285,676.55 × 131,703.36
  4. Step 4: Simplify right side
    190,489.92x = 37,624,561,508.21
  5. Step 5: Solve for x
    x = 37,624,561,508.21/190,489.92
  6. Step 6: Final answer
    x = 197,514.71

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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.