Home / 120,454.16-166,219.79-66,735.97

Finding the Fourth Proportional to 120,454.16, 166,219.79 and 66,735.97

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Solution

The fourth proportional to 120,454.16, 166,219.79 and 66,735.97 is: 92,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,454.16 : 166,219.79 = 66,735.97 : x
  2. Step 2: Convert to fraction form
    120,454.16/166,219.79 = 66,735.97/x
  3. Step 3: Cross multiply
    120,454.16x = 166,219.79 × 66,735.97
  4. Step 4: Simplify right side
    120,454.16x = 11,092,838,169.62
  5. Step 5: Solve for x
    x = 11,092,838,169.62/120,454.16
  6. Step 6: Final answer
    x = 92,091.79

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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.