Home / 110,629.80-165,912.30-51,451.20

Finding the Fourth Proportional to 110,629.80, 165,912.30 and 51,451.20

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Solution

The fourth proportional to 110,629.80, 165,912.30 and 51,451.20 is: 77,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,629.80 : 165,912.30 = 51,451.20 : x
  2. Step 2: Convert to fraction form
    110,629.80/165,912.30 = 51,451.20/x
  3. Step 3: Cross multiply
    110,629.80x = 165,912.30 × 51,451.20
  4. Step 4: Simplify right side
    110,629.80x = 8,536,386,929.76
  5. Step 5: Solve for x
    x = 8,536,386,929.76/110,629.80
  6. Step 6: Final answer
    x = 77,161.73

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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.