Home / 199,971.48-299,957.52-80,082.44

Finding the Fourth Proportional to 199,971.48, 299,957.52 and 80,082.44

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Solution

The fourth proportional to 199,971.48, 299,957.52 and 80,082.44 is: 120,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,971.48 : 299,957.52 = 80,082.44 : x
  2. Step 2: Convert to fraction form
    199,971.48/299,957.52 = 80,082.44/x
  3. Step 3: Cross multiply
    199,971.48x = 299,957.52 × 80,082.44
  4. Step 4: Simplify right side
    199,971.48x = 24,021,330,097.95
  5. Step 5: Solve for x
    x = 24,021,330,097.95/199,971.48
  6. Step 6: Final answer
    x = 120,123.78

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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.