Home / 100,318.50-150,442.92-29,221.97

Finding the Fourth Proportional to 100,318.50, 150,442.92 and 29,221.97

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Solution

The fourth proportional to 100,318.50, 150,442.92 and 29,221.97 is: 43,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,318.50 : 150,442.92 = 29,221.97 : x
  2. Step 2: Convert to fraction form
    100,318.50/150,442.92 = 29,221.97/x
  3. Step 3: Cross multiply
    100,318.50x = 150,442.92 × 29,221.97
  4. Step 4: Simplify right side
    100,318.50x = 4,396,237,742.74
  5. Step 5: Solve for x
    x = 4,396,237,742.74/100,318.50
  6. Step 6: Final answer
    x = 43,822.80

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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.