Finding the Fourth Proportional to 142,953.68, 197,259.72 and 82,524.08
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Solution
The fourth proportional to 142,953.68, 197,259.72 and 82,524.08 is: 113,873.79
Step by Step Solution
- Step 1: Write the proportion equation
142,953.68 : 197,259.72 = 82,524.08 : x - Step 2: Convert to fraction form
142,953.68/197,259.72 = 82,524.08/x - Step 3: Cross multiply
142,953.68x = 197,259.72 × 82,524.08 - Step 4: Simplify right side
142,953.68x = 16,278,676,914.06 - Step 5: Solve for x
x = 16,278,676,914.06/142,953.68 - Step 6: Final answer
x = 113,873.79
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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.