Home / 236,227.73-325,988.37-128,799.86

Finding the Fourth Proportional to 236,227.73, 325,988.37 and 128,799.86

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Solution

The fourth proportional to 236,227.73, 325,988.37 and 128,799.86 is: 177,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,227.73 : 325,988.37 = 128,799.86 : x
  2. Step 2: Convert to fraction form
    236,227.73/325,988.37 = 128,799.86/x
  3. Step 3: Cross multiply
    236,227.73x = 325,988.37 × 128,799.86
  4. Step 4: Simplify right side
    236,227.73x = 41,987,254,787.69
  5. Step 5: Solve for x
    x = 41,987,254,787.69/236,227.73
  6. Step 6: Final answer
    x = 177,740.59

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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.