Home / 159,556.32-220,267.44-123,665.76

Finding the Fourth Proportional to 159,556.32, 220,267.44 and 123,665.76

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Solution

The fourth proportional to 159,556.32, 220,267.44 and 123,665.76 is: 170,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,556.32 : 220,267.44 = 123,665.76 : x
  2. Step 2: Convert to fraction form
    159,556.32/220,267.44 = 123,665.76/x
  3. Step 3: Cross multiply
    159,556.32x = 220,267.44 × 123,665.76
  4. Step 4: Simplify right side
    159,556.32x = 27,239,540,370.85
  5. Step 5: Solve for x
    x = 27,239,540,370.85/159,556.32
  6. Step 6: Final answer
    x = 170,720.54

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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.