Home / 143,896.98-215,722.38-55,214.13

Finding the Fourth Proportional to 143,896.98, 215,722.38 and 55,214.13

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Solution

The fourth proportional to 143,896.98, 215,722.38 and 55,214.13 is: 82,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896.98 : 215,722.38 = 55,214.13 : x
  2. Step 2: Convert to fraction form
    143,896.98/215,722.38 = 55,214.13/x
  3. Step 3: Cross multiply
    143,896.98x = 215,722.38 × 55,214.13
  4. Step 4: Simplify right side
    143,896.98x = 11,910,923,533.23
  5. Step 5: Solve for x
    x = 11,910,923,533.23/143,896.98
  6. Step 6: Final answer
    x = 82,773.96

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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.