Home / 172,917.13-238,625.16-96,436.33

Finding the Fourth Proportional to 172,917.13, 238,625.16 and 96,436.33

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Solution

The fourth proportional to 172,917.13, 238,625.16 and 96,436.33 is: 133,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,917.13 : 238,625.16 = 96,436.33 : x
  2. Step 2: Convert to fraction form
    172,917.13/238,625.16 = 96,436.33/x
  3. Step 3: Cross multiply
    172,917.13x = 238,625.16 × 96,436.33
  4. Step 4: Simplify right side
    172,917.13x = 23,012,134,676.06
  5. Step 5: Solve for x
    x = 23,012,134,676.06/172,917.13
  6. Step 6: Final answer
    x = 133,081.87

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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.