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Finding the Fourth Proportional to 168,592.46, 252,971.15 and 73,809.69

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Solution

The fourth proportional to 168,592.46, 252,971.15 and 73,809.69 is: 110,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,592.46 : 252,971.15 = 73,809.69 : x
  2. Step 2: Convert to fraction form
    168,592.46/252,971.15 = 73,809.69/x
  3. Step 3: Cross multiply
    168,592.46x = 252,971.15 × 73,809.69
  4. Step 4: Simplify right side
    168,592.46x = 18,671,721,791.40
  5. Step 5: Solve for x
    x = 18,671,721,791.40/168,592.46
  6. Step 6: Final answer
    x = 110,750.64

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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.