Finding the Fourth Proportional to 136,296.84, 204,532.74 and 66,137.88
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Solution
The fourth proportional to 136,296.84, 204,532.74 and 66,137.88 is: 99,249.27
Step by Step Solution
- Step 1: Write the proportion equation
136,296.84 : 204,532.74 = 66,137.88 : x - Step 2: Convert to fraction form
136,296.84/204,532.74 = 66,137.88/x - Step 3: Cross multiply
136,296.84x = 204,532.74 × 66,137.88 - Step 4: Simplify right side
136,296.84x = 13,527,361,814.19 - Step 5: Solve for x
x = 13,527,361,814.19/136,296.84 - Step 6: Final answer
x = 99,249.27
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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.