Home / 120,337.70-166,067.32-66,623.54

Finding the Fourth Proportional to 120,337.70, 166,067.32 and 66,623.54

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Solution

The fourth proportional to 120,337.70, 166,067.32 and 66,623.54 is: 91,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,337.70 : 166,067.32 = 66,623.54 : x
  2. Step 2: Convert to fraction form
    120,337.70/166,067.32 = 66,623.54/x
  3. Step 3: Cross multiply
    120,337.70x = 166,067.32 × 66,623.54
  4. Step 4: Simplify right side
    120,337.70x = 11,063,992,736.71
  5. Step 5: Solve for x
    x = 11,063,992,736.71/120,337.70
  6. Step 6: Final answer
    x = 91,941.20

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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.