Home / 180,961.06-271,265.09-86,165.77

Finding the Fourth Proportional to 180,961.06, 271,265.09 and 86,165.77

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Solution

The fourth proportional to 180,961.06, 271,265.09 and 86,165.77 is: 129,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,961.06 : 271,265.09 = 86,165.77 : x
  2. Step 2: Convert to fraction form
    180,961.06/271,265.09 = 86,165.77/x
  3. Step 3: Cross multiply
    180,961.06x = 271,265.09 × 86,165.77
  4. Step 4: Simplify right side
    180,961.06x = 23,373,764,923.14
  5. Step 5: Solve for x
    x = 23,373,764,923.14/180,961.06
  6. Step 6: Final answer
    x = 129,164.61

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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.