Home / 199,581.52-299,213.22-115,245.94

Finding the Fourth Proportional to 199,581.52, 299,213.22 and 115,245.94

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Solution

The fourth proportional to 199,581.52, 299,213.22 and 115,245.94 is: 172,777.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,581.52 : 299,213.22 = 115,245.94 : x
  2. Step 2: Convert to fraction form
    199,581.52/299,213.22 = 115,245.94/x
  3. Step 3: Cross multiply
    199,581.52x = 299,213.22 × 115,245.94
  4. Step 4: Simplify right side
    199,581.52x = 34,483,108,799.33
  5. Step 5: Solve for x
    x = 34,483,108,799.33/199,581.52
  6. Step 6: Final answer
    x = 172,777.06

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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.