Finding the Fourth Proportional to 120,375.24, 166,136.58 and 68,692.44
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Solution
The fourth proportional to 120,375.24, 166,136.58 and 68,692.44 is: 94,806.27
Step by Step Solution
- Step 1: Write the proportion equation
120,375.24 : 166,136.58 = 68,692.44 : x - Step 2: Convert to fraction form
120,375.24/166,136.58 = 68,692.44/x - Step 3: Cross multiply
120,375.24x = 166,136.58 × 68,692.44 - Step 4: Simplify right side
120,375.24x = 11,412,327,053.46 - Step 5: Solve for x
x = 11,412,327,053.46/120,375.24 - Step 6: Final answer
x = 94,806.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.