Home / 120,474.68-166,256.45-66,760.59

Finding the Fourth Proportional to 120,474.68, 166,256.45 and 66,760.59

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Solution

The fourth proportional to 120,474.68, 166,256.45 and 66,760.59 is: 92,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,474.68 : 166,256.45 = 66,760.59 : x
  2. Step 2: Convert to fraction form
    120,474.68/166,256.45 = 66,760.59/x
  3. Step 3: Cross multiply
    120,474.68x = 166,256.45 × 66,760.59
  4. Step 4: Simplify right side
    120,474.68x = 11,099,378,359.50
  5. Step 5: Solve for x
    x = 11,099,378,359.50/120,474.68
  6. Step 6: Final answer
    x = 92,130.39

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1.5x scale

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.