Home / 143,650.31-215,665.91-122,724.82

Finding the Fourth Proportional to 143,650.31, 215,665.91 and 122,724.82

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Solution

The fourth proportional to 143,650.31, 215,665.91 and 122,724.82 is: 184,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650.31 : 215,665.91 = 122,724.82 : x
  2. Step 2: Convert to fraction form
    143,650.31/215,665.91 = 122,724.82/x
  3. Step 3: Cross multiply
    143,650.31x = 215,665.91 × 122,724.82
  4. Step 4: Simplify right side
    143,650.31x = 26,467,558,906.56
  5. Step 5: Solve for x
    x = 26,467,558,906.56/143,650.31
  6. Step 6: Final answer
    x = 184,249.93

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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.