Home / 217,429.92-300,056.34-131,376.96

Finding the Fourth Proportional to 217,429.92, 300,056.34 and 131,376.96

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Solution

The fourth proportional to 217,429.92, 300,056.34 and 131,376.96 is: 181,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,429.92 : 300,056.34 = 131,376.96 : x
  2. Step 2: Convert to fraction form
    217,429.92/300,056.34 = 131,376.96/x
  3. Step 3: Cross multiply
    217,429.92x = 300,056.34 × 131,376.96
  4. Step 4: Simplify right side
    217,429.92x = 39,420,489,777.93
  5. Step 5: Solve for x
    x = 39,420,489,777.93/217,429.92
  6. Step 6: Final answer
    x = 181,302.05

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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.