Home / 120,446.10-166,201.92-66,717.72

Finding the Fourth Proportional to 120,446.10, 166,201.92 and 66,717.72

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Solution

The fourth proportional to 120,446.10, 166,201.92 and 66,717.72 is: 92,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,446.10 : 166,201.92 = 66,717.72 : x
  2. Step 2: Convert to fraction form
    120,446.10/166,201.92 = 66,717.72/x
  3. Step 3: Cross multiply
    120,446.10x = 166,201.92 × 66,717.72
  4. Step 4: Simplify right side
    120,446.10x = 11,088,613,162.02
  5. Step 5: Solve for x
    x = 11,088,613,162.02/120,446.10
  6. Step 6: Final answer
    x = 92,062.87

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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.