Home / 165,665.40-248,205.30-160,183.80

Finding the Fourth Proportional to 165,665.40, 248,205.30 and 160,183.80

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Solution

The fourth proportional to 165,665.40, 248,205.30 and 160,183.80 is: 239,992.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,665.40 : 248,205.30 = 160,183.80 : x
  2. Step 2: Convert to fraction form
    165,665.40/248,205.30 = 160,183.80/x
  3. Step 3: Cross multiply
    165,665.40x = 248,205.30 × 160,183.80
  4. Step 4: Simplify right side
    165,665.40x = 39,758,468,134.14
  5. Step 5: Solve for x
    x = 39,758,468,134.14/165,665.40
  6. Step 6: Final answer
    x = 239,992.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.