Home / 120,933.20-166,880.66-67,216.38

Finding the Fourth Proportional to 120,933.20, 166,880.66 and 67,216.38

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Solution

The fourth proportional to 120,933.20, 166,880.66 and 67,216.38 is: 92,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,933.20 : 166,880.66 = 67,216.38 : x
  2. Step 2: Convert to fraction form
    120,933.20/166,880.66 = 67,216.38/x
  3. Step 3: Cross multiply
    120,933.20x = 166,880.66 × 67,216.38
  4. Step 4: Simplify right side
    120,933.20x = 11,217,113,857.21
  5. Step 5: Solve for x
    x = 11,217,113,857.21/120,933.20
  6. Step 6: Final answer
    x = 92,754.63

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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.