Home / 187,413.40-281,249.70-134,860.60

Finding the Fourth Proportional to 187,413.40, 281,249.70 and 134,860.60

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Solution

The fourth proportional to 187,413.40, 281,249.70 and 134,860.60 is: 202,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,413.40 : 281,249.70 = 134,860.60 : x
  2. Step 2: Convert to fraction form
    187,413.40/281,249.70 = 134,860.60/x
  3. Step 3: Cross multiply
    187,413.40x = 281,249.70 × 134,860.60
  4. Step 4: Simplify right side
    187,413.40x = 37,929,503,291.82
  5. Step 5: Solve for x
    x = 37,929,503,291.82/187,413.40
  6. Step 6: Final answer
    x = 202,384.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.