Finding the Fourth Proportional to 136,144.35, 204,043.73 and 121,283.55
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Solution
The fourth proportional to 136,144.35, 204,043.73 and 121,283.55 is: 181,771.39
Step by Step Solution
- Step 1: Write the proportion equation
136,144.35 : 204,043.73 = 121,283.55 : x - Step 2: Convert to fraction form
136,144.35/204,043.73 = 121,283.55/x - Step 3: Cross multiply
136,144.35x = 204,043.73 × 121,283.55 - Step 4: Simplify right side
136,144.35x = 24,747,147,323.22 - Step 5: Solve for x
x = 24,747,147,323.22/136,144.35 - Step 6: Final answer
x = 181,771.39
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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.