Home / 120,976.75-166,947.92-67,984.75

Finding the Fourth Proportional to 120,976.75, 166,947.92 and 67,984.75

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Solution

The fourth proportional to 120,976.75, 166,947.92 and 67,984.75 is: 93,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,976.75 : 166,947.92 = 67,984.75 : x
  2. Step 2: Convert to fraction form
    120,976.75/166,947.92 = 67,984.75/x
  3. Step 3: Cross multiply
    120,976.75x = 166,947.92 × 67,984.75
  4. Step 4: Simplify right side
    120,976.75x = 11,349,912,604.22
  5. Step 5: Solve for x
    x = 11,349,912,604.22/120,976.75
  6. Step 6: Final answer
    x = 93,818.96

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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.