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Finding the Fourth Proportional to 177,073.72, 244,340.22 and 100,565.44

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Solution

The fourth proportional to 177,073.72, 244,340.22 and 100,565.44 is: 138,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,073.72 : 244,340.22 = 100,565.44 : x
  2. Step 2: Convert to fraction form
    177,073.72/244,340.22 = 100,565.44/x
  3. Step 3: Cross multiply
    177,073.72x = 244,340.22 × 100,565.44
  4. Step 4: Simplify right side
    177,073.72x = 24,572,181,734.00
  5. Step 5: Solve for x
    x = 24,572,181,734.00/177,073.72
  6. Step 6: Final answer
    x = 138,768.09

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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.