Home / 120,604.36-166,444.21-66,906.66

Finding the Fourth Proportional to 120,604.36, 166,444.21 and 66,906.66

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Solution

The fourth proportional to 120,604.36, 166,444.21 and 66,906.66 is: 92,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604.36 : 166,444.21 = 66,906.66 : x
  2. Step 2: Convert to fraction form
    120,604.36/166,444.21 = 66,906.66/x
  3. Step 3: Cross multiply
    120,604.36x = 166,444.21 × 66,906.66
  4. Step 4: Simplify right side
    120,604.36x = 11,136,226,167.44
  5. Step 5: Solve for x
    x = 11,136,226,167.44/120,604.36
  6. Step 6: Final answer
    x = 92,336.85

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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.