Home / 120,423.42-166,184.33-66,711.92

Finding the Fourth Proportional to 120,423.42, 166,184.33 and 66,711.92

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Solution

The fourth proportional to 120,423.42, 166,184.33 and 66,711.92 is: 92,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,423.42 : 166,184.33 = 66,711.92 : x
  2. Step 2: Convert to fraction form
    120,423.42/166,184.33 = 66,711.92/x
  3. Step 3: Cross multiply
    120,423.42x = 166,184.33 × 66,711.92
  4. Step 4: Simplify right side
    120,423.42x = 11,086,474,563.73
  5. Step 5: Solve for x
    x = 11,086,474,563.73/120,423.42
  6. Step 6: Final answer
    x = 92,062.45

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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.