Home / 133,272.23-199,878.85-38,481.83

Finding the Fourth Proportional to 133,272.23, 199,878.85 and 38,481.83

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Solution

The fourth proportional to 133,272.23, 199,878.85 and 38,481.83 is: 57,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,272.23 : 199,878.85 = 38,481.83 : x
  2. Step 2: Convert to fraction form
    133,272.23/199,878.85 = 38,481.83/x
  3. Step 3: Cross multiply
    133,272.23x = 199,878.85 × 38,481.83
  4. Step 4: Simplify right side
    133,272.23x = 7,691,704,723.94
  5. Step 5: Solve for x
    x = 7,691,704,723.94/133,272.23
  6. Step 6: Final answer
    x = 57,714.24

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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.