Home / 172,929.88-238,602.60-104,945.33

Finding the Fourth Proportional to 172,929.88, 238,602.60 and 104,945.33

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Solution

The fourth proportional to 172,929.88, 238,602.60 and 104,945.33 is: 144,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,929.88 : 238,602.60 = 104,945.33 : x
  2. Step 2: Convert to fraction form
    172,929.88/238,602.60 = 104,945.33/x
  3. Step 3: Cross multiply
    172,929.88x = 238,602.60 × 104,945.33
  4. Step 4: Simplify right side
    172,929.88x = 25,040,229,192.36
  5. Step 5: Solve for x
    x = 25,040,229,192.36/172,929.88
  6. Step 6: Final answer
    x = 144,799.90

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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.