Finding the Fourth Proportional to 161,654.52, 242,514.18 and 68,161.08
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Solution
The fourth proportional to 161,654.52, 242,514.18 and 68,161.08 is: 102,255.28
Step by Step Solution
- Step 1: Write the proportion equation
161,654.52 : 242,514.18 = 68,161.08 : x - Step 2: Convert to fraction form
161,654.52/242,514.18 = 68,161.08/x - Step 3: Cross multiply
161,654.52x = 242,514.18 × 68,161.08 - Step 4: Simplify right side
161,654.52x = 16,530,028,424.11 - Step 5: Solve for x
x = 16,530,028,424.11/161,654.52 - Step 6: Final answer
x = 102,255.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.