Home / 203,029.69-280,177.57-112,383.71

Finding the Fourth Proportional to 203,029.69, 280,177.57 and 112,383.71

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Solution

The fourth proportional to 203,029.69, 280,177.57 and 112,383.71 is: 155,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,029.69 : 280,177.57 = 112,383.71 : x
  2. Step 2: Convert to fraction form
    203,029.69/280,177.57 = 112,383.71/x
  3. Step 3: Cross multiply
    203,029.69x = 280,177.57 × 112,383.71
  4. Step 4: Simplify right side
    203,029.69x = 31,487,394,775.38
  5. Step 5: Solve for x
    x = 31,487,394,775.38/203,029.69
  6. Step 6: Final answer
    x = 155,087.64

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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.