Home / 143,921.00-215,882.87-55,153.41

Finding the Fourth Proportional to 143,921.00, 215,882.87 and 55,153.41

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Solution

The fourth proportional to 143,921.00, 215,882.87 and 55,153.41 is: 82,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,921.00 : 215,882.87 = 55,153.41 : x
  2. Step 2: Convert to fraction form
    143,921.00/215,882.87 = 55,153.41/x
  3. Step 3: Cross multiply
    143,921.00x = 215,882.87 × 55,153.41
  4. Step 4: Simplify right side
    143,921.00x = 11,906,675,666.00
  5. Step 5: Solve for x
    x = 11,906,675,666.00/143,921.00
  6. Step 6: Final answer
    x = 82,730.63

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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.