Home / 120,610.08-166,441.84-66,903.20

Finding the Fourth Proportional to 120,610.08, 166,441.84 and 66,903.20

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Solution

The fourth proportional to 120,610.08, 166,441.84 and 66,903.20 is: 92,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.08 : 166,441.84 = 66,903.20 : x
  2. Step 2: Convert to fraction form
    120,610.08/166,441.84 = 66,903.20/x
  3. Step 3: Cross multiply
    120,610.08x = 166,441.84 × 66,903.20
  4. Step 4: Simplify right side
    120,610.08x = 11,135,491,709.89
  5. Step 5: Solve for x
    x = 11,135,491,709.89/120,610.08
  6. Step 6: Final answer
    x = 92,326.38

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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.