Home / 131,844.48-181,944.28-71,413.72

Finding the Fourth Proportional to 131,844.48, 181,944.28 and 71,413.72

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Solution

The fourth proportional to 131,844.48, 181,944.28 and 71,413.72 is: 98,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,844.48 : 181,944.28 = 71,413.72 : x
  2. Step 2: Convert to fraction form
    131,844.48/181,944.28 = 71,413.72/x
  3. Step 3: Cross multiply
    131,844.48x = 181,944.28 × 71,413.72
  4. Step 4: Simplify right side
    131,844.48x = 12,993,317,867.52
  5. Step 5: Solve for x
    x = 12,993,317,867.52/131,844.48
  6. Step 6: Final answer
    x = 98,550.34

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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.