Finding the Fourth Proportional to 106,617.68, 160,024.08 and 54,063.44
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Solution
The fourth proportional to 106,617.68, 160,024.08 and 54,063.44 is: 81,144.63
Step by Step Solution
- Step 1: Write the proportion equation
106,617.68 : 160,024.08 = 54,063.44 : x - Step 2: Convert to fraction form
106,617.68/160,024.08 = 54,063.44/x - Step 3: Cross multiply
106,617.68x = 160,024.08 × 54,063.44 - Step 4: Simplify right side
106,617.68x = 8,651,452,247.64 - Step 5: Solve for x
x = 8,651,452,247.64/106,617.68 - Step 6: Final answer
x = 81,144.63
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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.