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Finding the Fourth Proportional to 146,980.52, 220,362.24 and 47,082.92

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Solution

The fourth proportional to 146,980.52, 220,362.24 and 47,082.92 is: 70,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,980.52 : 220,362.24 = 47,082.92 : x
  2. Step 2: Convert to fraction form
    146,980.52/220,362.24 = 47,082.92/x
  3. Step 3: Cross multiply
    146,980.52x = 220,362.24 × 47,082.92
  4. Step 4: Simplify right side
    146,980.52x = 10,375,297,716.94
  5. Step 5: Solve for x
    x = 10,375,297,716.94/146,980.52
  6. Step 6: Final answer
    x = 70,589.61

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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.