Home / 120,524.56-166,321.24-66,809.10

Finding the Fourth Proportional to 120,524.56, 166,321.24 and 66,809.10

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Solution

The fourth proportional to 120,524.56, 166,321.24 and 66,809.10 is: 92,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,524.56 : 166,321.24 = 66,809.10 : x
  2. Step 2: Convert to fraction form
    120,524.56/166,321.24 = 66,809.10/x
  3. Step 3: Cross multiply
    120,524.56x = 166,321.24 × 66,809.10
  4. Step 4: Simplify right side
    120,524.56x = 11,111,772,355.28
  5. Step 5: Solve for x
    x = 11,111,772,355.28/120,524.56
  6. Step 6: Final answer
    x = 92,195.09

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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.