Home / 203,163.26-280,343.97-112,516.83

Finding the Fourth Proportional to 203,163.26, 280,343.97 and 112,516.83

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Solution

The fourth proportional to 203,163.26, 280,343.97 and 112,516.83 is: 155,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,163.26 : 280,343.97 = 112,516.83 : x
  2. Step 2: Convert to fraction form
    203,163.26/280,343.97 = 112,516.83/x
  3. Step 3: Cross multiply
    203,163.26x = 280,343.97 × 112,516.83
  4. Step 4: Simplify right side
    203,163.26x = 31,543,414,814.02
  5. Step 5: Solve for x
    x = 31,543,414,814.02/203,163.26
  6. Step 6: Final answer
    x = 155,261.42

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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.