Home / 180,958.18-271,260.78-86,162.90

Finding the Fourth Proportional to 180,958.18, 271,260.78 and 86,162.90

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Solution

The fourth proportional to 180,958.18, 271,260.78 and 86,162.90 is: 129,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,958.18 : 271,260.78 = 86,162.90 : x
  2. Step 2: Convert to fraction form
    180,958.18/271,260.78 = 86,162.90/x
  3. Step 3: Cross multiply
    180,958.18x = 271,260.78 × 86,162.90
  4. Step 4: Simplify right side
    180,958.18x = 23,372,614,002.67
  5. Step 5: Solve for x
    x = 23,372,614,002.67/180,958.18
  6. Step 6: Final answer
    x = 129,160.30

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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.