Home / 215,435.88-323,301.42-75,194.46

Finding the Fourth Proportional to 215,435.88, 323,301.42 and 75,194.46

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Solution

The fourth proportional to 215,435.88, 323,301.42 and 75,194.46 is: 112,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,435.88 : 323,301.42 = 75,194.46 : x
  2. Step 2: Convert to fraction form
    215,435.88/323,301.42 = 75,194.46/x
  3. Step 3: Cross multiply
    215,435.88x = 323,301.42 × 75,194.46
  4. Step 4: Simplify right side
    215,435.88x = 24,310,475,694.13
  5. Step 5: Solve for x
    x = 24,310,475,694.13/215,435.88
  6. Step 6: Final answer
    x = 112,843.21

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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.