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Finding the Fourth Proportional to 177,449.76, 244,871.46 and 100,967.31

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Solution

The fourth proportional to 177,449.76, 244,871.46 and 100,967.31 is: 139,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,449.76 : 244,871.46 = 100,967.31 : x
  2. Step 2: Convert to fraction form
    177,449.76/244,871.46 = 100,967.31/x
  3. Step 3: Cross multiply
    177,449.76x = 244,871.46 × 100,967.31
  4. Step 4: Simplify right side
    177,449.76x = 24,724,012,072.33
  5. Step 5: Solve for x
    x = 24,724,012,072.33/177,449.76
  6. Step 6: Final answer
    x = 139,329.65

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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.