Home / 217,426.92-300,052.20-131,373.96

Finding the Fourth Proportional to 217,426.92, 300,052.20 and 131,373.96

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Solution

The fourth proportional to 217,426.92, 300,052.20 and 131,373.96 is: 181,297.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,426.92 : 300,052.20 = 131,373.96 : x
  2. Step 2: Convert to fraction form
    217,426.92/300,052.20 = 131,373.96/x
  3. Step 3: Cross multiply
    217,426.92x = 300,052.20 × 131,373.96
  4. Step 4: Simplify right side
    217,426.92x = 39,419,045,720.71
  5. Step 5: Solve for x
    x = 39,419,045,720.71/217,426.92
  6. Step 6: Final answer
    x = 181,297.91

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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.