Home / 187,413.14-281,042.33-71,990.19

Finding the Fourth Proportional to 187,413.14, 281,042.33 and 71,990.19

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Solution

The fourth proportional to 187,413.14, 281,042.33 and 71,990.19 is: 107,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,413.14 : 281,042.33 = 71,990.19 : x
  2. Step 2: Convert to fraction form
    187,413.14/281,042.33 = 71,990.19/x
  3. Step 3: Cross multiply
    187,413.14x = 281,042.33 × 71,990.19
  4. Step 4: Simplify right side
    187,413.14x = 20,232,291,772.64
  5. Step 5: Solve for x
    x = 20,232,291,772.64/187,413.14
  6. Step 6: Final answer
    x = 107,955.57

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1.5x scale

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.