Home / 83,179.09-114,917.43-79,082.52

Finding the Fourth Proportional to 83,179.09, 114,917.43 and 79,082.52

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Solution

The fourth proportional to 83,179.09, 114,917.43 and 79,082.52 is: 109,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,179.09 : 114,917.43 = 79,082.52 : x
  2. Step 2: Convert to fraction form
    83,179.09/114,917.43 = 79,082.52/x
  3. Step 3: Cross multiply
    83,179.09x = 114,917.43 × 79,082.52
  4. Step 4: Simplify right side
    83,179.09x = 9,087,959,956.32
  5. Step 5: Solve for x
    x = 9,087,959,956.32/83,179.09
  6. Step 6: Final answer
    x = 109,257.75

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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.