Home / 120,541.40-166,356.97-66,843.26

Finding the Fourth Proportional to 120,541.40, 166,356.97 and 66,843.26

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Solution

The fourth proportional to 120,541.40, 166,356.97 and 66,843.26 is: 92,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,541.40 : 166,356.97 = 66,843.26 : x
  2. Step 2: Convert to fraction form
    120,541.40/166,356.97 = 66,843.26/x
  3. Step 3: Cross multiply
    120,541.40x = 166,356.97 × 66,843.26
  4. Step 4: Simplify right side
    120,541.40x = 11,119,842,198.52
  5. Step 5: Solve for x
    x = 11,119,842,198.52/120,541.40
  6. Step 6: Final answer
    x = 92,249.15

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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.