Home / 215,053.11-322,645.27-109,945.89

Finding the Fourth Proportional to 215,053.11, 322,645.27 and 109,945.89

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Solution

The fourth proportional to 215,053.11, 322,645.27 and 109,945.89 is: 164,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,053.11 : 322,645.27 = 109,945.89 : x
  2. Step 2: Convert to fraction form
    215,053.11/322,645.27 = 109,945.89/x
  3. Step 3: Cross multiply
    215,053.11x = 322,645.27 × 109,945.89
  4. Step 4: Simplify right side
    215,053.11x = 35,473,519,201.48
  5. Step 5: Solve for x
    x = 35,473,519,201.48/215,053.11
  6. Step 6: Final answer
    x = 164,952.37

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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.