Home / 185,418.20-278,127.30-110,622.80

Finding the Fourth Proportional to 185,418.20, 278,127.30 and 110,622.80

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Solution

The fourth proportional to 185,418.20, 278,127.30 and 110,622.80 is: 165,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,418.20 : 278,127.30 = 110,622.80 : x
  2. Step 2: Convert to fraction form
    185,418.20/278,127.30 = 110,622.80/x
  3. Step 3: Cross multiply
    185,418.20x = 278,127.30 × 110,622.80
  4. Step 4: Simplify right side
    185,418.20x = 30,767,220,682.44
  5. Step 5: Solve for x
    x = 30,767,220,682.44/185,418.20
  6. Step 6: Final answer
    x = 165,934.20

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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.