Home / 143,242.38-214,863.60-53,273.34

Finding the Fourth Proportional to 143,242.38, 214,863.60 and 53,273.34

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Solution

The fourth proportional to 143,242.38, 214,863.60 and 53,273.34 is: 79,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,242.38 : 214,863.60 = 53,273.34 : x
  2. Step 2: Convert to fraction form
    143,242.38/214,863.60 = 53,273.34/x
  3. Step 3: Cross multiply
    143,242.38x = 214,863.60 × 53,273.34
  4. Step 4: Simplify right side
    143,242.38x = 11,446,500,542.11
  5. Step 5: Solve for x
    x = 11,446,500,542.11/143,242.38
  6. Step 6: Final answer
    x = 79,910.02

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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.