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Finding the Fourth Proportional to 146,162.75, 219,219.41 and 40,957.52

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Solution

The fourth proportional to 146,162.75, 219,219.41 and 40,957.52 is: 61,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,162.75 : 219,219.41 = 40,957.52 : x
  2. Step 2: Convert to fraction form
    146,162.75/219,219.41 = 40,957.52/x
  3. Step 3: Cross multiply
    146,162.75x = 219,219.41 × 40,957.52
  4. Step 4: Simplify right side
    146,162.75x = 8,978,682,375.76
  5. Step 5: Solve for x
    x = 8,978,682,375.76/146,162.75
  6. Step 6: Final answer
    x = 61,429.35

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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.