Home / 144,579.34-199,519.46-80,917.13

Finding the Fourth Proportional to 144,579.34, 199,519.46 and 80,917.13

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Solution

The fourth proportional to 144,579.34, 199,519.46 and 80,917.13 is: 111,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.34 : 199,519.46 = 80,917.13 : x
  2. Step 2: Convert to fraction form
    144,579.34/199,519.46 = 80,917.13/x
  3. Step 3: Cross multiply
    144,579.34x = 199,519.46 × 80,917.13
  4. Step 4: Simplify right side
    144,579.34x = 16,144,542,082.35
  5. Step 5: Solve for x
    x = 16,144,542,082.35/144,579.34
  6. Step 6: Final answer
    x = 111,665.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.