Home / 146,919.83-220,193.85-72,022.37

Finding the Fourth Proportional to 146,919.83, 220,193.85 and 72,022.37

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Solution

The fourth proportional to 146,919.83, 220,193.85 and 72,022.37 is: 107,942.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,919.83 : 220,193.85 = 72,022.37 : x
  2. Step 2: Convert to fraction form
    146,919.83/220,193.85 = 72,022.37/x
  3. Step 3: Cross multiply
    146,919.83x = 220,193.85 × 72,022.37
  4. Step 4: Simplify right side
    146,919.83x = 15,858,882,936.42
  5. Step 5: Solve for x
    x = 15,858,882,936.42/146,919.83
  6. Step 6: Final answer
    x = 107,942.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.