Finding the Fourth Proportional to 133,105.44, 199,603.08 and 54,166.08
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Solution
The fourth proportional to 133,105.44, 199,603.08 and 54,166.08 is: 81,226.71
Step by Step Solution
- Step 1: Write the proportion equation
133,105.44 : 199,603.08 = 54,166.08 : x - Step 2: Convert to fraction form
133,105.44/199,603.08 = 54,166.08/x - Step 3: Cross multiply
133,105.44x = 199,603.08 × 54,166.08 - Step 4: Simplify right side
133,105.44x = 10,811,716,399.53 - Step 5: Solve for x
x = 10,811,716,399.53/133,105.44 - Step 6: Final answer
x = 81,226.71
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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.