Finding the Fourth Proportional to 106,696.88, 160,145.76 and 54,144.08
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Solution
The fourth proportional to 106,696.88, 160,145.76 and 54,144.08 is: 81,267.09
Step by Step Solution
- Step 1: Write the proportion equation
106,696.88 : 160,145.76 = 54,144.08 : x - Step 2: Convert to fraction form
106,696.88/160,145.76 = 54,144.08/x - Step 3: Cross multiply
106,696.88x = 160,145.76 × 54,144.08 - Step 4: Simplify right side
106,696.88x = 8,670,944,841.10 - Step 5: Solve for x
x = 8,670,944,841.10/106,696.88 - Step 6: Final answer
x = 81,267.09
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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.