Home / 236,135.73-325,864.44-128,705.43

Finding the Fourth Proportional to 236,135.73, 325,864.44 and 128,705.43

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Solution

The fourth proportional to 236,135.73, 325,864.44 and 128,705.43 is: 177,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,135.73 : 325,864.44 = 128,705.43 : x
  2. Step 2: Convert to fraction form
    236,135.73/325,864.44 = 128,705.43/x
  3. Step 3: Cross multiply
    236,135.73x = 325,864.44 × 128,705.43
  4. Step 4: Simplify right side
    236,135.73x = 41,940,522,871.91
  5. Step 5: Solve for x
    x = 41,940,522,871.91/236,135.73
  6. Step 6: Final answer
    x = 177,611.93

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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.