Home / 120,658.46-166,528.67-66,960.73

Finding the Fourth Proportional to 120,658.46, 166,528.67 and 66,960.73

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Solution

The fourth proportional to 120,658.46, 166,528.67 and 66,960.73 is: 92,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,658.46 : 166,528.67 = 66,960.73 : x
  2. Step 2: Convert to fraction form
    120,658.46/166,528.67 = 66,960.73/x
  3. Step 3: Cross multiply
    120,658.46x = 166,528.67 × 66,960.73
  4. Step 4: Simplify right side
    120,658.46x = 11,150,881,309.13
  5. Step 5: Solve for x
    x = 11,150,881,309.13/120,658.46
  6. Step 6: Final answer
    x = 92,416.90

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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.