Home / 168,764.20-253,146.30-149,081.20

Finding the Fourth Proportional to 168,764.20, 253,146.30 and 149,081.20

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Solution

The fourth proportional to 168,764.20, 253,146.30 and 149,081.20 is: 223,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,764.20 : 253,146.30 = 149,081.20 : x
  2. Step 2: Convert to fraction form
    168,764.20/253,146.30 = 149,081.20/x
  3. Step 3: Cross multiply
    168,764.20x = 253,146.30 × 149,081.20
  4. Step 4: Simplify right side
    168,764.20x = 37,739,354,179.56
  5. Step 5: Solve for x
    x = 37,739,354,179.56/168,764.20
  6. Step 6: Final answer
    x = 223,621.80

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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.