Finding the Fourth Proportional to 68,132.23, 102,203.44 and 18,211.19
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Solution
The fourth proportional to 68,132.23, 102,203.44 and 18,211.19 is: 27,318.14
Step by Step Solution
- Step 1: Write the proportion equation
68,132.23 : 102,203.44 = 18,211.19 : x - Step 2: Convert to fraction form
68,132.23/102,203.44 = 18,211.19/x - Step 3: Cross multiply
68,132.23x = 102,203.44 × 18,211.19 - Step 4: Simplify right side
68,132.23x = 1,861,245,707.95 - Step 5: Solve for x
x = 1,861,245,707.95/68,132.23 - Step 6: Final answer
x = 27,318.14
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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.