Home / 226,183.91-312,240.06-130,672.16

Finding the Fourth Proportional to 226,183.91, 312,240.06 and 130,672.16

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Solution

The fourth proportional to 226,183.91, 312,240.06 and 130,672.16 is: 180,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,183.91 : 312,240.06 = 130,672.16 : x
  2. Step 2: Convert to fraction form
    226,183.91/312,240.06 = 130,672.16/x
  3. Step 3: Cross multiply
    226,183.91x = 312,240.06 × 130,672.16
  4. Step 4: Simplify right side
    226,183.91x = 40,801,081,517.53
  5. Step 5: Solve for x
    x = 40,801,081,517.53/226,183.91
  6. Step 6: Final answer
    x = 180,388.97

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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.