Home / 217,650.92-300,421.01-131,610.07

Finding the Fourth Proportional to 217,650.92, 300,421.01 and 131,610.07

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Solution

The fourth proportional to 217,650.92, 300,421.01 and 131,610.07 is: 181,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,650.92 : 300,421.01 = 131,610.07 : x
  2. Step 2: Convert to fraction form
    217,650.92/300,421.01 = 131,610.07/x
  3. Step 3: Cross multiply
    217,650.92x = 300,421.01 × 131,610.07
  4. Step 4: Simplify right side
    217,650.92x = 39,538,431,256.43
  5. Step 5: Solve for x
    x = 39,538,431,256.43/217,650.92
  6. Step 6: Final answer
    x = 181,659.84

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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.