Finding the Fourth Proportional to 142,951.68, 197,256.96 and 82,522.08
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Solution
The fourth proportional to 142,951.68, 197,256.96 and 82,522.08 is: 113,871.03
Step by Step Solution
- Step 1: Write the proportion equation
142,951.68 : 197,256.96 = 82,522.08 : x - Step 2: Convert to fraction form
142,951.68/197,256.96 = 82,522.08/x - Step 3: Cross multiply
142,951.68x = 197,256.96 × 82,522.08 - Step 4: Simplify right side
142,951.68x = 16,278,054,633.68 - Step 5: Solve for x
x = 16,278,054,633.68/142,951.68 - Step 6: Final answer
x = 113,871.03
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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.