Home / 168,020.20-251,738.70-141,776.20

Finding the Fourth Proportional to 168,020.20, 251,738.70 and 141,776.20

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Solution

The fourth proportional to 168,020.20, 251,738.70 and 141,776.20 is: 212,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,020.20 : 251,738.70 = 141,776.20 : x
  2. Step 2: Convert to fraction form
    168,020.20/251,738.70 = 141,776.20/x
  3. Step 3: Cross multiply
    168,020.20x = 251,738.70 × 141,776.20
  4. Step 4: Simplify right side
    168,020.20x = 35,690,556,278.94
  5. Step 5: Solve for x
    x = 35,690,556,278.94/168,020.20
  6. Step 6: Final answer
    x = 212,418.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.