Home / 161,285.26-242,001.33-82,358.86

Finding the Fourth Proportional to 161,285.26, 242,001.33 and 82,358.86

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Solution

The fourth proportional to 161,285.26, 242,001.33 and 82,358.86 is: 123,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,285.26 : 242,001.33 = 82,358.86 : x
  2. Step 2: Convert to fraction form
    161,285.26/242,001.33 = 82,358.86/x
  3. Step 3: Cross multiply
    161,285.26x = 242,001.33 × 82,358.86
  4. Step 4: Simplify right side
    161,285.26x = 19,930,953,657.28
  5. Step 5: Solve for x
    x = 19,930,953,657.28/161,285.26
  6. Step 6: Final answer
    x = 123,575.79

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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.