Home / 211,169.94-291,414.49-115,676.61

Finding the Fourth Proportional to 211,169.94, 291,414.49 and 115,676.61

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Solution

The fourth proportional to 211,169.94, 291,414.49 and 115,676.61 is: 159,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,169.94 : 291,414.49 = 115,676.61 : x
  2. Step 2: Convert to fraction form
    211,169.94/291,414.49 = 115,676.61/x
  3. Step 3: Cross multiply
    211,169.94x = 291,414.49 × 115,676.61
  4. Step 4: Simplify right side
    211,169.94x = 33,709,840,308.08
  5. Step 5: Solve for x
    x = 33,709,840,308.08/211,169.94
  6. Step 6: Final answer
    x = 159,633.71

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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.