Home / 120,523.62-166,323.82-66,809.54

Finding the Fourth Proportional to 120,523.62, 166,323.82 and 66,809.54

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Solution

The fourth proportional to 120,523.62, 166,323.82 and 66,809.54 is: 92,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,523.62 : 166,323.82 = 66,809.54 : x
  2. Step 2: Convert to fraction form
    120,523.62/166,323.82 = 66,809.54/x
  3. Step 3: Cross multiply
    120,523.62x = 166,323.82 × 66,809.54
  4. Step 4: Simplify right side
    120,523.62x = 11,112,017,905.24
  5. Step 5: Solve for x
    x = 11,112,017,905.24/120,523.62
  6. Step 6: Final answer
    x = 92,197.84

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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.