Home / 217,922.42-300,757.29-131,928.79

Finding the Fourth Proportional to 217,922.42, 300,757.29 and 131,928.79

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Solution

The fourth proportional to 217,922.42, 300,757.29 and 131,928.79 is: 182,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,922.42 : 300,757.29 = 131,928.79 : x
  2. Step 2: Convert to fraction form
    217,922.42/300,757.29 = 131,928.79/x
  3. Step 3: Cross multiply
    217,922.42x = 300,757.29 × 131,928.79
  4. Step 4: Simplify right side
    217,922.42x = 39,678,545,353.38
  5. Step 5: Solve for x
    x = 39,678,545,353.38/217,922.42
  6. Step 6: Final answer
    x = 182,076.47

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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.