Home / 215,239.35-322,869.97-73,101.36

Finding the Fourth Proportional to 215,239.35, 322,869.97 and 73,101.36

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Solution

The fourth proportional to 215,239.35, 322,869.97 and 73,101.36 is: 109,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,239.35 : 322,869.97 = 73,101.36 : x
  2. Step 2: Convert to fraction form
    215,239.35/322,869.97 = 73,101.36/x
  3. Step 3: Cross multiply
    215,239.35x = 322,869.97 × 73,101.36
  4. Step 4: Simplify right side
    215,239.35x = 23,602,233,910.16
  5. Step 5: Solve for x
    x = 23,602,233,910.16/215,239.35
  6. Step 6: Final answer
    x = 109,655.76

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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.