Home / 120,998.30-166,976.39-67,282.74

Finding the Fourth Proportional to 120,998.30, 166,976.39 and 67,282.74

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Solution

The fourth proportional to 120,998.30, 166,976.39 and 67,282.74 is: 92,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,998.30 : 166,976.39 = 67,282.74 : x
  2. Step 2: Convert to fraction form
    120,998.30/166,976.39 = 67,282.74/x
  3. Step 3: Cross multiply
    120,998.30x = 166,976.39 × 67,282.74
  4. Step 4: Simplify right side
    120,998.30x = 11,234,629,202.72
  5. Step 5: Solve for x
    x = 11,234,629,202.72/120,998.30
  6. Step 6: Final answer
    x = 92,849.48

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1.5x scale

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.