Home / 120,454.02-166,227.87-66,739.89

Finding the Fourth Proportional to 120,454.02, 166,227.87 and 66,739.89

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Solution

The fourth proportional to 120,454.02, 166,227.87 and 66,739.89 is: 92,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,454.02 : 166,227.87 = 66,739.89 : x
  2. Step 2: Convert to fraction form
    120,454.02/166,227.87 = 66,739.89/x
  3. Step 3: Cross multiply
    120,454.02x = 166,227.87 × 66,739.89
  4. Step 4: Simplify right side
    120,454.02x = 11,094,029,758.73
  5. Step 5: Solve for x
    x = 11,094,029,758.73/120,454.02
  6. Step 6: Final answer
    x = 92,101.78

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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.