Home / 120,556.10-166,367.14-66,839.73

Finding the Fourth Proportional to 120,556.10, 166,367.14 and 66,839.73

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Solution

The fourth proportional to 120,556.10, 166,367.14 and 66,839.73 is: 92,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,556.10 : 166,367.14 = 66,839.73 : x
  2. Step 2: Convert to fraction form
    120,556.10/166,367.14 = 66,839.73/x
  3. Step 3: Cross multiply
    120,556.10x = 166,367.14 × 66,839.73
  4. Step 4: Simplify right side
    120,556.10x = 11,119,935,051.30
  5. Step 5: Solve for x
    x = 11,119,935,051.30/120,556.10
  6. Step 6: Final answer
    x = 92,238.68

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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.