Home / 161,890.22-243,046.51-108,819.93

Finding the Fourth Proportional to 161,890.22, 243,046.51 and 108,819.93

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Solution

The fourth proportional to 161,890.22, 243,046.51 and 108,819.93 is: 163,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,890.22 : 243,046.51 = 108,819.93 : x
  2. Step 2: Convert to fraction form
    161,890.22/243,046.51 = 108,819.93/x
  3. Step 3: Cross multiply
    161,890.22x = 243,046.51 × 108,819.93
  4. Step 4: Simplify right side
    161,890.22x = 26,448,304,204.94
  5. Step 5: Solve for x
    x = 26,448,304,204.94/161,890.22
  6. Step 6: Final answer
    x = 163,371.85

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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.