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Finding the Fourth Proportional to 164,418.60, 246,627.90 and 137,846.55

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Solution

The fourth proportional to 164,418.60, 246,627.90 and 137,846.55 is: 206,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,418.60 : 246,627.90 = 137,846.55 : x
  2. Step 2: Convert to fraction form
    164,418.60/246,627.90 = 137,846.55/x
  3. Step 3: Cross multiply
    164,418.60x = 246,627.90 × 137,846.55
  4. Step 4: Simplify right side
    164,418.60x = 33,996,805,148.75
  5. Step 5: Solve for x
    x = 33,996,805,148.75/164,418.60
  6. Step 6: Final answer
    x = 206,769.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.