Home / 131,843.36-181,943.80-71,413.52

Finding the Fourth Proportional to 131,843.36, 181,943.80 and 71,413.52

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Solution

The fourth proportional to 131,843.36, 181,943.80 and 71,413.52 is: 98,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,843.36 : 181,943.80 = 71,413.52 : x
  2. Step 2: Convert to fraction form
    131,843.36/181,943.80 = 71,413.52/x
  3. Step 3: Cross multiply
    131,843.36x = 181,943.80 × 71,413.52
  4. Step 4: Simplify right side
    131,843.36x = 12,993,247,200.18
  5. Step 5: Solve for x
    x = 12,993,247,200.18/131,843.36
  6. Step 6: Final answer
    x = 98,550.64

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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.