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Finding the Fourth Proportional to 181,217.44, 250,079.83 and 100,657

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Solution

The fourth proportional to 181,217.44, 250,079.83 and 100,657 is: 138,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,217.44 : 250,079.83 = 100,657 : x
  2. Step 2: Convert to fraction form
    181,217.44/250,079.83 = 100,657/x
  3. Step 3: Cross multiply
    181,217.44x = 250,079.83 × 100,657
  4. Step 4: Simplify right side
    181,217.44x = 25,172,285,448.31
  5. Step 5: Solve for x
    x = 25,172,285,448.31/181,217.44
  6. Step 6: Final answer
    x = 138,906.53

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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.