Finding the Fourth Proportional to 136,122.48, 203,975.82 and 57,193.56
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Solution
The fourth proportional to 136,122.48, 203,975.82 and 57,193.56 is: 85,702.99
Step by Step Solution
- Step 1: Write the proportion equation
136,122.48 : 203,975.82 = 57,193.56 : x - Step 2: Convert to fraction form
136,122.48/203,975.82 = 57,193.56/x - Step 3: Cross multiply
136,122.48x = 203,975.82 × 57,193.56 - Step 4: Simplify right side
136,122.48x = 11,666,103,299.72 - Step 5: Solve for x
x = 11,666,103,299.72/136,122.48 - Step 6: Final answer
x = 85,702.99
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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.