Home / 180,727.21-271,183.76-86,064.74

Finding the Fourth Proportional to 180,727.21, 271,183.76 and 86,064.74

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Solution

The fourth proportional to 180,727.21, 271,183.76 and 86,064.74 is: 129,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,727.21 : 271,183.76 = 86,064.74 : x
  2. Step 2: Convert to fraction form
    180,727.21/271,183.76 = 86,064.74/x
  3. Step 3: Cross multiply
    180,727.21x = 271,183.76 × 86,064.74
  4. Step 4: Simplify right side
    180,727.21x = 23,339,359,796.62
  5. Step 5: Solve for x
    x = 23,339,359,796.62/180,727.21
  6. Step 6: Final answer
    x = 129,141.37

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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.