Home / 281,382.62-422,074.93-68,150.68

Finding the Fourth Proportional to 281,382.62, 422,074.93 and 68,150.68

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Solution

The fourth proportional to 281,382.62, 422,074.93 and 68,150.68 is: 102,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,382.62 : 422,074.93 = 68,150.68 : x
  2. Step 2: Convert to fraction form
    281,382.62/422,074.93 = 68,150.68/x
  3. Step 3: Cross multiply
    281,382.62x = 422,074.93 × 68,150.68
  4. Step 4: Simplify right side
    281,382.62x = 28,764,692,264.89
  5. Step 5: Solve for x
    x = 28,764,692,264.89/281,382.62
  6. Step 6: Final answer
    x = 102,226.26

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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.