Finding the Fourth Proportional to 122,161.44, 183,310.80 and 66,000.48
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Solution
The fourth proportional to 122,161.44, 183,310.80 and 66,000.48 is: 99,037.80
Step by Step Solution
- Step 1: Write the proportion equation
122,161.44 : 183,310.80 = 66,000.48 : x - Step 2: Convert to fraction form
122,161.44/183,310.80 = 66,000.48/x - Step 3: Cross multiply
122,161.44x = 183,310.80 × 66,000.48 - Step 4: Simplify right side
122,161.44x = 12,098,600,789.18 - Step 5: Solve for x
x = 12,098,600,789.18/122,161.44 - Step 6: Final answer
x = 99,037.80
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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.