Finding the Fourth Proportional to 136,872.59, 188,906.99 and 133,274.97
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Solution
The fourth proportional to 136,872.59, 188,906.99 and 133,274.97 is: 183,941.68
Step by Step Solution
- Step 1: Write the proportion equation
136,872.59 : 188,906.99 = 133,274.97 : x - Step 2: Convert to fraction form
136,872.59/188,906.99 = 133,274.97/x - Step 3: Cross multiply
136,872.59x = 188,906.99 × 133,274.97 - Step 4: Simplify right side
136,872.59x = 25,176,572,758.67 - Step 5: Solve for x
x = 25,176,572,758.67/136,872.59 - Step 6: Final answer
x = 183,941.68
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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.