Home / 126,997.68-190,483.08-52,125.72

Finding the Fourth Proportional to 126,997.68, 190,483.08 and 52,125.72

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Solution

The fourth proportional to 126,997.68, 190,483.08 and 52,125.72 is: 78,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,997.68 : 190,483.08 = 52,125.72 : x
  2. Step 2: Convert to fraction form
    126,997.68/190,483.08 = 52,125.72/x
  3. Step 3: Cross multiply
    126,997.68x = 190,483.08 × 52,125.72
  4. Step 4: Simplify right side
    126,997.68x = 9,929,067,692.82
  5. Step 5: Solve for x
    x = 9,929,067,692.82/126,997.68
  6. Step 6: Final answer
    x = 78,183.06

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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.