Finding the Fourth Proportional to 182,639.88, 252,043.97 and 102,068.75
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Solution
The fourth proportional to 182,639.88, 252,043.97 and 102,068.75 is: 140,855.40
Step by Step Solution
- Step 1: Write the proportion equation
182,639.88 : 252,043.97 = 102,068.75 : x - Step 2: Convert to fraction form
182,639.88/252,043.97 = 102,068.75/x - Step 3: Cross multiply
182,639.88x = 252,043.97 × 102,068.75 - Step 4: Simplify right side
182,639.88x = 25,725,813,593.05 - Step 5: Solve for x
x = 25,725,813,593.05/182,639.88 - Step 6: Final answer
x = 140,855.40
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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.