Home / 181,489.82-250,420.05-109,876.50

Finding the Fourth Proportional to 181,489.82, 250,420.05 and 109,876.50

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Solution

The fourth proportional to 181,489.82, 250,420.05 and 109,876.50 is: 151,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,489.82 : 250,420.05 = 109,876.50 : x
  2. Step 2: Convert to fraction form
    181,489.82/250,420.05 = 109,876.50/x
  3. Step 3: Cross multiply
    181,489.82x = 250,420.05 × 109,876.50
  4. Step 4: Simplify right side
    181,489.82x = 27,515,278,623.83
  5. Step 5: Solve for x
    x = 27,515,278,623.83/181,489.82
  6. Step 6: Final answer
    x = 151,607.84

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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.