Home / 120,454.53-166,220.30-66,736.34

Finding the Fourth Proportional to 120,454.53, 166,220.30 and 66,736.34

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Solution

The fourth proportional to 120,454.53, 166,220.30 and 66,736.34 is: 92,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,454.53 : 166,220.30 = 66,736.34 : x
  2. Step 2: Convert to fraction form
    120,454.53/166,220.30 = 66,736.34/x
  3. Step 3: Cross multiply
    120,454.53x = 166,220.30 × 66,736.34
  4. Step 4: Simplify right side
    120,454.53x = 11,092,934,414.77
  5. Step 5: Solve for x
    x = 11,092,934,414.77/120,454.53
  6. Step 6: Final answer
    x = 92,092.30

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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.