Home / 120,598.20-166,414.50-66,883.05

Finding the Fourth Proportional to 120,598.20, 166,414.50 and 66,883.05

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Solution

The fourth proportional to 120,598.20, 166,414.50 and 66,883.05 is: 92,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,598.20 : 166,414.50 = 66,883.05 : x
  2. Step 2: Convert to fraction form
    120,598.20/166,414.50 = 66,883.05/x
  3. Step 3: Cross multiply
    120,598.20x = 166,414.50 × 66,883.05
  4. Step 4: Simplify right side
    120,598.20x = 11,130,309,324.23
  5. Step 5: Solve for x
    x = 11,130,309,324.23/120,598.20
  6. Step 6: Final answer
    x = 92,292.50

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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.