Home / 203,301.26-280,557.39-112,658.74

Finding the Fourth Proportional to 203,301.26, 280,557.39 and 112,658.74

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Solution

The fourth proportional to 203,301.26, 280,557.39 and 112,658.74 is: 155,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,301.26 : 280,557.39 = 112,658.74 : x
  2. Step 2: Convert to fraction form
    203,301.26/280,557.39 = 112,658.74/x
  3. Step 3: Cross multiply
    203,301.26x = 280,557.39 × 112,658.74
  4. Step 4: Simplify right side
    203,301.26x = 31,607,241,353.70
  5. Step 5: Solve for x
    x = 31,607,241,353.70/203,301.26
  6. Step 6: Final answer
    x = 155,469.97

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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.