Home / 222,639.96-307,231.74-122,018.52

Finding the Fourth Proportional to 222,639.96, 307,231.74 and 122,018.52

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Solution

The fourth proportional to 222,639.96, 307,231.74 and 122,018.52 is: 168,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,639.96 : 307,231.74 = 122,018.52 : x
  2. Step 2: Convert to fraction form
    222,639.96/307,231.74 = 122,018.52/x
  3. Step 3: Cross multiply
    222,639.96x = 307,231.74 × 122,018.52
  4. Step 4: Simplify right side
    222,639.96x = 37,487,962,211.82
  5. Step 5: Solve for x
    x = 37,487,962,211.82/222,639.96
  6. Step 6: Final answer
    x = 168,379.31

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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.