Home / 215,160.58-322,445.61-136,133.33

Finding the Fourth Proportional to 215,160.58, 322,445.61 and 136,133.33

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Solution

The fourth proportional to 215,160.58, 322,445.61 and 136,133.33 is: 204,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,160.58 : 322,445.61 = 136,133.33 : x
  2. Step 2: Convert to fraction form
    215,160.58/322,445.61 = 136,133.33/x
  3. Step 3: Cross multiply
    215,160.58x = 322,445.61 × 136,133.33
  4. Step 4: Simplify right side
    215,160.58x = 43,895,595,439.30
  5. Step 5: Solve for x
    x = 43,895,595,439.30/215,160.58
  6. Step 6: Final answer
    x = 204,013.19

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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.