Home / 159,344.73-239,164.83-80,514.36

Finding the Fourth Proportional to 159,344.73, 239,164.83 and 80,514.36

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Solution

The fourth proportional to 159,344.73, 239,164.83 and 80,514.36 is: 120,846.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,344.73 : 239,164.83 = 80,514.36 : x
  2. Step 2: Convert to fraction form
    159,344.73/239,164.83 = 80,514.36/x
  3. Step 3: Cross multiply
    159,344.73x = 239,164.83 × 80,514.36
  4. Step 4: Simplify right side
    159,344.73x = 19,256,203,221.96
  5. Step 5: Solve for x
    x = 19,256,203,221.96/159,344.73
  6. Step 6: Final answer
    x = 120,846.19

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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.