Home / 120,474.99-166,265.00-66,765.15

Finding the Fourth Proportional to 120,474.99, 166,265.00 and 66,765.15

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Solution

The fourth proportional to 120,474.99, 166,265.00 and 66,765.15 is: 92,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,474.99 : 166,265.00 = 66,765.15 : x
  2. Step 2: Convert to fraction form
    120,474.99/166,265.00 = 66,765.15/x
  3. Step 3: Cross multiply
    120,474.99x = 166,265.00 × 66,765.15
  4. Step 4: Simplify right side
    120,474.99x = 11,100,707,330.92
  5. Step 5: Solve for x
    x = 11,100,707,330.92/120,474.99
  6. Step 6: Final answer
    x = 92,141.18

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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.