Home / 120,610.68-166,450.17-66,895.66

Finding the Fourth Proportional to 120,610.68, 166,450.17 and 66,895.66

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Solution

The fourth proportional to 120,610.68, 166,450.17 and 66,895.66 is: 92,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,610.68 : 166,450.17 = 66,895.66 : x
  2. Step 2: Convert to fraction form
    120,610.68/166,450.17 = 66,895.66/x
  3. Step 3: Cross multiply
    120,610.68x = 166,450.17 × 66,895.66
  4. Step 4: Simplify right side
    120,610.68x = 11,134,793,979.26
  5. Step 5: Solve for x
    x = 11,134,793,979.26/120,610.68
  6. Step 6: Final answer
    x = 92,320.13

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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.