Home / 222,921.92-307,641.12-122,323.52

Finding the Fourth Proportional to 222,921.92, 307,641.12 and 122,323.52

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Solution

The fourth proportional to 222,921.92, 307,641.12 and 122,323.52 is: 168,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,921.92 : 307,641.12 = 122,323.52 : x
  2. Step 2: Convert to fraction form
    222,921.92/307,641.12 = 122,323.52/x
  3. Step 3: Cross multiply
    222,921.92x = 307,641.12 × 122,323.52
  4. Step 4: Simplify right side
    222,921.92x = 37,631,744,695.14
  5. Step 5: Solve for x
    x = 37,631,744,695.14/222,921.92
  6. Step 6: Final answer
    x = 168,811.33

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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.