Home / 104,451.62-144,045.33-80,540.42

Finding the Fourth Proportional to 104,451.62, 144,045.33 and 80,540.42

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Solution

The fourth proportional to 104,451.62, 144,045.33 and 80,540.42 is: 111,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,451.62 : 144,045.33 = 80,540.42 : x
  2. Step 2: Convert to fraction form
    104,451.62/144,045.33 = 80,540.42/x
  3. Step 3: Cross multiply
    104,451.62x = 144,045.33 × 80,540.42
  4. Step 4: Simplify right side
    104,451.62x = 11,601,471,377.24
  5. Step 5: Solve for x
    x = 11,601,471,377.24/104,451.62
  6. Step 6: Final answer
    x = 111,070.29

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1.5x scale

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.