Home / 215,512.24-297,385.59-120,027.82

Finding the Fourth Proportional to 215,512.24, 297,385.59 and 120,027.82

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Solution

The fourth proportional to 215,512.24, 297,385.59 and 120,027.82 is: 165,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,512.24 : 297,385.59 = 120,027.82 : x
  2. Step 2: Convert to fraction form
    215,512.24/297,385.59 = 120,027.82/x
  3. Step 3: Cross multiply
    215,512.24x = 297,385.59 × 120,027.82
  4. Step 4: Simplify right side
    215,512.24x = 35,694,544,067.11
  5. Step 5: Solve for x
    x = 35,694,544,067.11/215,512.24
  6. Step 6: Final answer
    x = 165,626.53

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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.