Home / 131,842.08-181,942.56-71,413.44

Finding the Fourth Proportional to 131,842.08, 181,942.56 and 71,413.44

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Solution

The fourth proportional to 131,842.08, 181,942.56 and 71,413.44 is: 98,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,842.08 : 181,942.56 = 71,413.44 : x
  2. Step 2: Convert to fraction form
    131,842.08/181,942.56 = 71,413.44/x
  3. Step 3: Cross multiply
    131,842.08x = 181,942.56 × 71,413.44
  4. Step 4: Simplify right side
    131,842.08x = 12,993,144,092.01
  5. Step 5: Solve for x
    x = 12,993,144,092.01/131,842.08
  6. Step 6: Final answer
    x = 98,550.81

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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.