Home / 215,161.82-322,447.47-136,134.57

Finding the Fourth Proportional to 215,161.82, 322,447.47 and 136,134.57

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Solution

The fourth proportional to 215,161.82, 322,447.47 and 136,134.57 is: 204,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,161.82 : 322,447.47 = 136,134.57 : x
  2. Step 2: Convert to fraction form
    215,161.82/322,447.47 = 136,134.57/x
  3. Step 3: Cross multiply
    215,161.82x = 322,447.47 × 136,134.57
  4. Step 4: Simplify right side
    215,161.82x = 43,896,247,676.04
  5. Step 5: Solve for x
    x = 43,896,247,676.04/215,161.82
  6. Step 6: Final answer
    x = 204,015.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.