Home / 120,579.39-166,396.41-66,864.24

Finding the Fourth Proportional to 120,579.39, 166,396.41 and 66,864.24

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Solution

The fourth proportional to 120,579.39, 166,396.41 and 66,864.24 is: 92,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,579.39 : 166,396.41 = 66,864.24 : x
  2. Step 2: Convert to fraction form
    120,579.39/166,396.41 = 66,864.24/x
  3. Step 3: Cross multiply
    120,579.39x = 166,396.41 × 66,864.24
  4. Step 4: Simplify right side
    120,579.39x = 11,125,969,493.38
  5. Step 5: Solve for x
    x = 11,125,969,493.38/120,579.39
  6. Step 6: Final answer
    x = 92,270.91

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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.