Finding the Fourth Proportional to 120,874.84, 181,295.51 and 32,135.56
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Solution
The fourth proportional to 120,874.84, 181,295.51 and 32,135.56 is: 48,198.88
Step by Step Solution
- Step 1: Write the proportion equation
120,874.84 : 181,295.51 = 32,135.56 : x - Step 2: Convert to fraction form
120,874.84/181,295.51 = 32,135.56/x - Step 3: Cross multiply
120,874.84x = 181,295.51 × 32,135.56 - Step 4: Simplify right side
120,874.84x = 5,826,031,672.18 - Step 5: Solve for x
x = 5,826,031,672.18/120,874.84 - Step 6: Final answer
x = 48,198.88
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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.