Home / 199,819.08-299,788.56-84,468.24

Finding the Fourth Proportional to 199,819.08, 299,788.56 and 84,468.24

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Solution

The fourth proportional to 199,819.08, 299,788.56 and 84,468.24 is: 126,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,819.08 : 299,788.56 = 84,468.24 : x
  2. Step 2: Convert to fraction form
    199,819.08/299,788.56 = 84,468.24/x
  3. Step 3: Cross multiply
    199,819.08x = 299,788.56 × 84,468.24
  4. Step 4: Simplify right side
    199,819.08x = 25,322,612,035.33
  5. Step 5: Solve for x
    x = 25,322,612,035.33/199,819.08
  6. Step 6: Final answer
    x = 126,727.70

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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.