Finding the Fourth Proportional to 102,195.26, 153,099.99 and 52,306.97
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Solution
The fourth proportional to 102,195.26, 153,099.99 and 52,306.97 is: 78,361.72
Step by Step Solution
- Step 1: Write the proportion equation
102,195.26 : 153,099.99 = 52,306.97 : x - Step 2: Convert to fraction form
102,195.26/153,099.99 = 52,306.97/x - Step 3: Cross multiply
102,195.26x = 153,099.99 × 52,306.97 - Step 4: Simplify right side
102,195.26x = 8,008,196,583.93 - Step 5: Solve for x
x = 8,008,196,583.93/102,195.26 - Step 6: Final answer
x = 78,361.72
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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.