Home / 215,836.28-297,862.62-120,359.96

Finding the Fourth Proportional to 215,836.28, 297,862.62 and 120,359.96

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Solution

The fourth proportional to 215,836.28, 297,862.62 and 120,359.96 is: 166,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,836.28 : 297,862.62 = 120,359.96 : x
  2. Step 2: Convert to fraction form
    215,836.28/297,862.62 = 120,359.96/x
  3. Step 3: Cross multiply
    215,836.28x = 297,862.62 × 120,359.96
  4. Step 4: Simplify right side
    215,836.28x = 35,850,733,028.70
  5. Step 5: Solve for x
    x = 35,850,733,028.70/215,836.28
  6. Step 6: Final answer
    x = 166,101.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.