Home / 120,613.59-166,447.50-66,898.73

Finding the Fourth Proportional to 120,613.59, 166,447.50 and 66,898.73

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Solution

The fourth proportional to 120,613.59, 166,447.50 and 66,898.73 is: 92,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613.59 : 166,447.50 = 66,898.73 : x
  2. Step 2: Convert to fraction form
    120,613.59/166,447.50 = 66,898.73/x
  3. Step 3: Cross multiply
    120,613.59x = 166,447.50 × 66,898.73
  4. Step 4: Simplify right side
    120,613.59x = 11,135,125,529.44
  5. Step 5: Solve for x
    x = 11,135,125,529.44/120,613.59
  6. Step 6: Final answer
    x = 92,320.65

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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.