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Finding the Fourth Proportional to 179,601, 247,871.88 and 103,144.08

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Solution

The fourth proportional to 179,601, 247,871.88 and 103,144.08 is: 142,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,601 : 247,871.88 = 103,144.08 : x
  2. Step 2: Convert to fraction form
    179,601/247,871.88 = 103,144.08/x
  3. Step 3: Cross multiply
    179,601x = 247,871.88 × 103,144.08
  4. Step 4: Simplify right side
    179,601x = 25,566,517,020.47
  5. Step 5: Solve for x
    x = 25,566,517,020.47/179,601
  6. Step 6: Final answer
    x = 142,351.75

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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.