Home / 168,213.11-252,320.27-49,885.47

Finding the Fourth Proportional to 168,213.11, 252,320.27 and 49,885.47

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Solution

The fourth proportional to 168,213.11, 252,320.27 and 49,885.47 is: 74,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,213.11 : 252,320.27 = 49,885.47 : x
  2. Step 2: Convert to fraction form
    168,213.11/252,320.27 = 49,885.47/x
  3. Step 3: Cross multiply
    168,213.11x = 252,320.27 × 49,885.47
  4. Step 4: Simplify right side
    168,213.11x = 12,587,115,010.05
  5. Step 5: Solve for x
    x = 12,587,115,010.05/168,213.11
  6. Step 6: Final answer
    x = 74,828.39

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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.