Finding the Fourth Proportional to 168,606.63, 252,691.92 and 126,153.63
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Solution
The fourth proportional to 168,606.63, 252,691.92 and 126,153.63 is: 189,067.32
Step by Step Solution
- Step 1: Write the proportion equation
168,606.63 : 252,691.92 = 126,153.63 : x - Step 2: Convert to fraction form
168,606.63/252,691.92 = 126,153.63/x - Step 3: Cross multiply
168,606.63x = 252,691.92 × 126,153.63 - Step 4: Simplify right side
168,606.63x = 31,878,002,979.67 - Step 5: Solve for x
x = 31,878,002,979.67/168,606.63 - Step 6: Final answer
x = 189,067.32
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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.