Home / 143,229.60-214,915.68-108,383.04

Finding the Fourth Proportional to 143,229.60, 214,915.68 and 108,383.04

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Solution

The fourth proportional to 143,229.60, 214,915.68 and 108,383.04 is: 162,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,229.60 : 214,915.68 = 108,383.04 : x
  2. Step 2: Convert to fraction form
    143,229.60/214,915.68 = 108,383.04/x
  3. Step 3: Cross multiply
    143,229.60x = 214,915.68 × 108,383.04
  4. Step 4: Simplify right side
    143,229.60x = 23,293,214,742.07
  5. Step 5: Solve for x
    x = 23,293,214,742.07/143,229.60
  6. Step 6: Final answer
    x = 162,628.50

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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.