Home / 148,198.76-204,514.26-80,215.72

Finding the Fourth Proportional to 148,198.76, 204,514.26 and 80,215.72

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Solution

The fourth proportional to 148,198.76, 204,514.26 and 80,215.72 is: 110,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,198.76 : 204,514.26 = 80,215.72 : x
  2. Step 2: Convert to fraction form
    148,198.76/204,514.26 = 80,215.72/x
  3. Step 3: Cross multiply
    148,198.76x = 204,514.26 × 80,215.72
  4. Step 4: Simplify right side
    148,198.76x = 16,405,258,616.17
  5. Step 5: Solve for x
    x = 16,405,258,616.17/148,198.76
  6. Step 6: Final answer
    x = 110,697.68

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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.