Finding the Fourth Proportional to 133,151.80, 199,557.60 and 54,176.80
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Solution
The fourth proportional to 133,151.80, 199,557.60 and 54,176.80 is: 81,195.99
Step by Step Solution
- Step 1: Write the proportion equation
133,151.80 : 199,557.60 = 54,176.80 : x - Step 2: Convert to fraction form
133,151.80/199,557.60 = 54,176.80/x - Step 3: Cross multiply
133,151.80x = 199,557.60 × 54,176.80 - Step 4: Simplify right side
133,151.80x = 10,811,392,183.68 - Step 5: Solve for x
x = 10,811,392,183.68/133,151.80 - Step 6: Final answer
x = 81,195.99
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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.