Home / 131,842.99-181,943.25-71,413.49

Finding the Fourth Proportional to 131,842.99, 181,943.25 and 71,413.49

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Solution

The fourth proportional to 131,842.99, 181,943.25 and 71,413.49 is: 98,550.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,842.99 : 181,943.25 = 71,413.49 : x
  2. Step 2: Convert to fraction form
    131,842.99/181,943.25 = 71,413.49/x
  3. Step 3: Cross multiply
    131,842.99x = 181,943.25 × 71,413.49
  4. Step 4: Simplify right side
    131,842.99x = 12,993,201,673.49
  5. Step 5: Solve for x
    x = 12,993,201,673.49/131,842.99
  6. Step 6: Final answer
    x = 98,550.57

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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.