Home / 203,028.77-280,180.34-109,894.47

Finding the Fourth Proportional to 203,028.77, 280,180.34 and 109,894.47

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Solution

The fourth proportional to 203,028.77, 280,180.34 and 109,894.47 is: 151,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,028.77 : 280,180.34 = 109,894.47 : x
  2. Step 2: Convert to fraction form
    203,028.77/280,180.34 = 109,894.47/x
  3. Step 3: Cross multiply
    203,028.77x = 280,180.34 × 109,894.47
  4. Step 4: Simplify right side
    203,028.77x = 30,790,269,419.25
  5. Step 5: Solve for x
    x = 30,790,269,419.25/203,028.77
  6. Step 6: Final answer
    x = 151,654.71

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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.