Home / 188,296.37-259,851.03-103,413.42

Finding the Fourth Proportional to 188,296.37, 259,851.03 and 103,413.42

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Solution

The fourth proportional to 188,296.37, 259,851.03 and 103,413.42 is: 142,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,296.37 : 259,851.03 = 103,413.42 : x
  2. Step 2: Convert to fraction form
    188,296.37/259,851.03 = 103,413.42/x
  3. Step 3: Cross multiply
    188,296.37x = 259,851.03 × 103,413.42
  4. Step 4: Simplify right side
    188,296.37x = 26,872,083,702.82
  5. Step 5: Solve for x
    x = 26,872,083,702.82/188,296.37
  6. Step 6: Final answer
    x = 142,711.64

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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.