Home / 161,829.91-223,221.04-107,380.90

Finding the Fourth Proportional to 161,829.91, 223,221.04 and 107,380.90

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Solution

The fourth proportional to 161,829.91, 223,221.04 and 107,380.90 is: 148,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,829.91 : 223,221.04 = 107,380.90 : x
  2. Step 2: Convert to fraction form
    161,829.91/223,221.04 = 107,380.90/x
  3. Step 3: Cross multiply
    161,829.91x = 223,221.04 × 107,380.90
  4. Step 4: Simplify right side
    161,829.91x = 23,969,676,174.14
  5. Step 5: Solve for x
    x = 23,969,676,174.14/161,829.91
  6. Step 6: Final answer
    x = 148,116.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.