Home / 120,713.67-166,577.04-66,998.70

Finding the Fourth Proportional to 120,713.67, 166,577.04 and 66,998.70

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Solution

The fourth proportional to 120,713.67, 166,577.04 and 66,998.70 is: 92,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,713.67 : 166,577.04 = 66,998.70 : x
  2. Step 2: Convert to fraction form
    120,713.67/166,577.04 = 66,998.70/x
  3. Step 3: Cross multiply
    120,713.67x = 166,577.04 × 66,998.70
  4. Step 4: Simplify right side
    120,713.67x = 11,160,445,129.85
  5. Step 5: Solve for x
    x = 11,160,445,129.85/120,713.67
  6. Step 6: Final answer
    x = 92,453.86

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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.