Home / 120,493.77-166,262.59-69,508.42

Finding the Fourth Proportional to 120,493.77, 166,262.59 and 69,508.42

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Solution

The fourth proportional to 120,493.77, 166,262.59 and 69,508.42 is: 95,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,493.77 : 166,262.59 = 69,508.42 : x
  2. Step 2: Convert to fraction form
    120,493.77/166,262.59 = 69,508.42/x
  3. Step 3: Cross multiply
    120,493.77x = 166,262.59 × 69,508.42
  4. Step 4: Simplify right side
    120,493.77x = 11,556,649,936.01
  5. Step 5: Solve for x
    x = 11,556,649,936.01/120,493.77
  6. Step 6: Final answer
    x = 95,910.77

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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.