Home / 120,481.39-166,262.99-66,034

Finding the Fourth Proportional to 120,481.39, 166,262.99 and 66,034

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Solution

The fourth proportional to 120,481.39, 166,262.99 and 66,034 is: 91,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,481.39 : 166,262.99 = 66,034 : x
  2. Step 2: Convert to fraction form
    120,481.39/166,262.99 = 66,034/x
  3. Step 3: Cross multiply
    120,481.39x = 166,262.99 × 66,034
  4. Step 4: Simplify right side
    120,481.39x = 10,979,010,281.66
  5. Step 5: Solve for x
    x = 10,979,010,281.66/120,481.39
  6. Step 6: Final answer
    x = 91,126.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.