Home / 120,412.20-166,168.83-66,700.69

Finding the Fourth Proportional to 120,412.20, 166,168.83 and 66,700.69

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Solution

The fourth proportional to 120,412.20, 166,168.83 and 66,700.69 is: 92,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,412.20 : 166,168.83 = 66,700.69 : x
  2. Step 2: Convert to fraction form
    120,412.20/166,168.83 = 66,700.69/x
  3. Step 3: Cross multiply
    120,412.20x = 166,168.83 × 66,700.69
  4. Step 4: Simplify right side
    120,412.20x = 11,083,575,638.15
  5. Step 5: Solve for x
    x = 11,083,575,638.15/120,412.20
  6. Step 6: Final answer
    x = 92,046.95

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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.