Finding the Fourth Proportional to 120,753.92, 181,262.10 and 102,120.68
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Solution
The fourth proportional to 120,753.92, 181,262.10 and 102,120.68 is: 153,291.99
Step by Step Solution
- Step 1: Write the proportion equation
120,753.92 : 181,262.10 = 102,120.68 : x - Step 2: Convert to fraction form
120,753.92/181,262.10 = 102,120.68/x - Step 3: Cross multiply
120,753.92x = 181,262.10 × 102,120.68 - Step 4: Simplify right side
120,753.92x = 18,510,608,003.92 - Step 5: Solve for x
x = 18,510,608,003.92/120,753.92 - Step 6: Final answer
x = 153,291.99
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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.