Home / 133,621.26-200,431.89-54,721.14

Finding the Fourth Proportional to 133,621.26, 200,431.89 and 54,721.14

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Solution

The fourth proportional to 133,621.26, 200,431.89 and 54,721.14 is: 82,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.26 : 200,431.89 = 54,721.14 : x
  2. Step 2: Convert to fraction form
    133,621.26/200,431.89 = 54,721.14/x
  3. Step 3: Cross multiply
    133,621.26x = 200,431.89 × 54,721.14
  4. Step 4: Simplify right side
    133,621.26x = 10,967,861,513.15
  5. Step 5: Solve for x
    x = 10,967,861,513.15/133,621.26
  6. Step 6: Final answer
    x = 82,081.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.