Home / 222,736.50-307,391.04-122,134.50

Finding the Fourth Proportional to 222,736.50, 307,391.04 and 122,134.50

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Solution

The fourth proportional to 222,736.50, 307,391.04 and 122,134.50 is: 168,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,736.50 : 307,391.04 = 122,134.50 : x
  2. Step 2: Convert to fraction form
    222,736.50/307,391.04 = 122,134.50/x
  3. Step 3: Cross multiply
    222,736.50x = 307,391.04 × 122,134.50
  4. Step 4: Simplify right side
    222,736.50x = 37,543,050,974.88
  5. Step 5: Solve for x
    x = 37,543,050,974.88/222,736.50
  6. Step 6: Final answer
    x = 168,553.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.