Home / 148,366.28-204,745.52-80,383.72

Finding the Fourth Proportional to 148,366.28, 204,745.52 and 80,383.72

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Solution

The fourth proportional to 148,366.28, 204,745.52 and 80,383.72 is: 110,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,366.28 : 204,745.52 = 80,383.72 : x
  2. Step 2: Convert to fraction form
    148,366.28/204,745.52 = 80,383.72/x
  3. Step 3: Cross multiply
    148,366.28x = 204,745.52 × 80,383.72
  4. Step 4: Simplify right side
    148,366.28x = 16,458,206,550.93
  5. Step 5: Solve for x
    x = 16,458,206,550.93/148,366.28
  6. Step 6: Final answer
    x = 110,929.56

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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.