Home / 120,591.05-166,425.62-66,893.40

Finding the Fourth Proportional to 120,591.05, 166,425.62 and 66,893.40

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Solution

The fourth proportional to 120,591.05, 166,425.62 and 66,893.40 is: 92,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,591.05 : 166,425.62 = 66,893.40 : x
  2. Step 2: Convert to fraction form
    120,591.05/166,425.62 = 66,893.40/x
  3. Step 3: Cross multiply
    120,591.05x = 166,425.62 × 66,893.40
  4. Step 4: Simplify right side
    120,591.05x = 11,132,775,234.44
  5. Step 5: Solve for x
    x = 11,132,775,234.44/120,591.05
  6. Step 6: Final answer
    x = 92,318.42

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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.