Home / 120,482.82-166,267.26-66,768.73

Finding the Fourth Proportional to 120,482.82, 166,267.26 and 66,768.73

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Solution

The fourth proportional to 120,482.82, 166,267.26 and 66,768.73 is: 92,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,482.82 : 166,267.26 = 66,768.73 : x
  2. Step 2: Convert to fraction form
    120,482.82/166,267.26 = 66,768.73/x
  3. Step 3: Cross multiply
    120,482.82x = 166,267.26 × 66,768.73
  4. Step 4: Simplify right side
    120,482.82x = 11,101,453,790.78
  5. Step 5: Solve for x
    x = 11,101,453,790.78/120,482.82
  6. Step 6: Final answer
    x = 92,141.38

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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.