Finding the Fourth Proportional to 120,807.96, 181,221.12 and 32,059.68
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Solution
The fourth proportional to 120,807.96, 181,221.12 and 32,059.68 is: 48,091.96
Step by Step Solution
- Step 1: Write the proportion equation
120,807.96 : 181,221.12 = 32,059.68 : x - Step 2: Convert to fraction form
120,807.96/181,221.12 = 32,059.68/x - Step 3: Cross multiply
120,807.96x = 181,221.12 × 32,059.68 - Step 4: Simplify right side
120,807.96x = 5,809,891,116.44 - Step 5: Solve for x
x = 5,809,891,116.44/120,807.96 - Step 6: Final answer
x = 48,091.96
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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.