Finding the Fourth Proportional to 182,639.68, 252,043.69 and 102,068.55
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Solution
The fourth proportional to 182,639.68, 252,043.69 and 102,068.55 is: 140,855.12
Step by Step Solution
- Step 1: Write the proportion equation
182,639.68 : 252,043.69 = 102,068.55 : x - Step 2: Convert to fraction form
182,639.68/252,043.69 = 102,068.55/x - Step 3: Cross multiply
182,639.68x = 252,043.69 × 102,068.55 - Step 4: Simplify right side
182,639.68x = 25,725,733,058.75 - Step 5: Solve for x
x = 25,725,733,058.75/182,639.68 - Step 6: Final answer
x = 140,855.12
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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.