Home / 143,442.27-214,997.10-126,834.75

Finding the Fourth Proportional to 143,442.27, 214,997.10 and 126,834.75

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Solution

The fourth proportional to 143,442.27, 214,997.10 and 126,834.75 is: 190,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,442.27 : 214,997.10 = 126,834.75 : x
  2. Step 2: Convert to fraction form
    143,442.27/214,997.10 = 126,834.75/x
  3. Step 3: Cross multiply
    143,442.27x = 214,997.10 × 126,834.75
  4. Step 4: Simplify right side
    143,442.27x = 27,269,103,429.23
  5. Step 5: Solve for x
    x = 27,269,103,429.23/143,442.27
  6. Step 6: Final answer
    x = 190,105.07

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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.