Home / 259,221.96-388,599.66-134,183.88

Finding the Fourth Proportional to 259,221.96, 388,599.66 and 134,183.88

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Solution

The fourth proportional to 259,221.96, 388,599.66 and 134,183.88 is: 201,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,221.96 : 388,599.66 = 134,183.88 : x
  2. Step 2: Convert to fraction form
    259,221.96/388,599.66 = 134,183.88/x
  3. Step 3: Cross multiply
    259,221.96x = 388,599.66 × 134,183.88
  4. Step 4: Simplify right side
    259,221.96x = 52,143,810,145.48
  5. Step 5: Solve for x
    x = 52,143,810,145.48/259,221.96
  6. Step 6: Final answer
    x = 201,155.06

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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.