Finding the Fourth Proportional to 136,704.99, 187,286.86 and 131,592.43
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Solution
The fourth proportional to 136,704.99, 187,286.86 and 131,592.43 is: 180,282.61
Step by Step Solution
- Step 1: Write the proportion equation
136,704.99 : 187,286.86 = 131,592.43 : x - Step 2: Convert to fraction form
136,704.99/187,286.86 = 131,592.43/x - Step 3: Cross multiply
136,704.99x = 187,286.86 × 131,592.43 - Step 4: Simplify right side
136,704.99x = 24,645,532,078.04 - Step 5: Solve for x
x = 24,645,532,078.04/136,704.99 - Step 6: Final answer
x = 180,282.61
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.