Home / 172,413.09-237,927.78-96,961.59

Finding the Fourth Proportional to 172,413.09, 237,927.78 and 96,961.59

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Solution

The fourth proportional to 172,413.09, 237,927.78 and 96,961.59 is: 133,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413.09 : 237,927.78 = 96,961.59 : x
  2. Step 2: Convert to fraction form
    172,413.09/237,927.78 = 96,961.59/x
  3. Step 3: Cross multiply
    172,413.09x = 237,927.78 × 96,961.59
  4. Step 4: Simplify right side
    172,413.09x = 23,069,855,853.97
  5. Step 5: Solve for x
    x = 23,069,855,853.97/172,413.09
  6. Step 6: Final answer
    x = 133,805.71

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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.