Finding the Fourth Proportional to 168,603.63, 252,687.42 and 126,150.63
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Solution
The fourth proportional to 168,603.63, 252,687.42 and 126,150.63 is: 189,062.82
Step by Step Solution
- Step 1: Write the proportion equation
168,603.63 : 252,687.42 = 126,150.63 : x - Step 2: Convert to fraction form
168,603.63/252,687.42 = 126,150.63/x - Step 3: Cross multiply
168,603.63x = 252,687.42 × 126,150.63 - Step 4: Simplify right side
168,603.63x = 31,876,677,226.07 - Step 5: Solve for x
x = 31,876,677,226.07/168,603.63 - Step 6: Final answer
x = 189,062.82
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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.