Home / 143,019.92-214,564.55-43,174.14

Finding the Fourth Proportional to 143,019.92, 214,564.55 and 43,174.14

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Solution

The fourth proportional to 143,019.92, 214,564.55 and 43,174.14 is: 64,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,019.92 : 214,564.55 = 43,174.14 : x
  2. Step 2: Convert to fraction form
    143,019.92/214,564.55 = 43,174.14/x
  3. Step 3: Cross multiply
    143,019.92x = 214,564.55 × 43,174.14
  4. Step 4: Simplify right side
    143,019.92x = 9,263,639,704.87
  5. Step 5: Solve for x
    x = 9,263,639,704.87/143,019.92
  6. Step 6: Final answer
    x = 64,771.68

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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.