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Finding the Fourth Proportional to 168,031.60, 252,096.62 and 49,706.10

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Solution

The fourth proportional to 168,031.60, 252,096.62 and 49,706.10 is: 74,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.60 : 252,096.62 = 49,706.10 : x
  2. Step 2: Convert to fraction form
    168,031.60/252,096.62 = 49,706.10/x
  3. Step 3: Cross multiply
    168,031.60x = 252,096.62 × 49,706.10
  4. Step 4: Simplify right side
    168,031.60x = 12,530,739,803.38
  5. Step 5: Solve for x
    x = 12,530,739,803.38/168,031.60
  6. Step 6: Final answer
    x = 74,573.71

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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.