Finding the Fourth Proportional to 140,989.24, 194,413.14 and 107,059.96
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Solution
The fourth proportional to 140,989.24, 194,413.14 and 107,059.96 is: 147,627.32
Step by Step Solution
- Step 1: Write the proportion equation
140,989.24 : 194,413.14 = 107,059.96 : x - Step 2: Convert to fraction form
140,989.24/194,413.14 = 107,059.96/x - Step 3: Cross multiply
140,989.24x = 194,413.14 × 107,059.96 - Step 4: Simplify right side
140,989.24x = 20,813,862,991.87 - Step 5: Solve for x
x = 20,813,862,991.87/140,989.24 - Step 6: Final answer
x = 147,627.32
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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.