Home / 216,074.68-323,890.48-82,919.20

Finding the Fourth Proportional to 216,074.68, 323,890.48 and 82,919.20

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Solution

The fourth proportional to 216,074.68, 323,890.48 and 82,919.20 is: 124,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,074.68 : 323,890.48 = 82,919.20 : x
  2. Step 2: Convert to fraction form
    216,074.68/323,890.48 = 82,919.20/x
  3. Step 3: Cross multiply
    216,074.68x = 323,890.48 × 82,919.20
  4. Step 4: Simplify right side
    216,074.68x = 26,856,739,489.22
  5. Step 5: Solve for x
    x = 26,856,739,489.22/216,074.68
  6. Step 6: Final answer
    x = 124,293.78

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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.