Home / 148,198.75-204,514.29-81,130.75

Finding the Fourth Proportional to 148,198.75, 204,514.29 and 81,130.75

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Solution

The fourth proportional to 148,198.75, 204,514.29 and 81,130.75 is: 111,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,198.75 : 204,514.29 = 81,130.75 : x
  2. Step 2: Convert to fraction form
    148,198.75/204,514.29 = 81,130.75/x
  3. Step 3: Cross multiply
    148,198.75x = 204,514.29 × 81,130.75
  4. Step 4: Simplify right side
    148,198.75x = 16,592,397,733.42
  5. Step 5: Solve for x
    x = 16,592,397,733.42/148,198.75
  6. Step 6: Final answer
    x = 111,960.44

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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.