Finding the Fourth Proportional to 102,081.47, 153,121.68 and 26,179.68
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Solution
The fourth proportional to 102,081.47, 153,121.68 and 26,179.68 is: 39,269.39
Step by Step Solution
- Step 1: Write the proportion equation
102,081.47 : 153,121.68 = 26,179.68 : x - Step 2: Convert to fraction form
102,081.47/153,121.68 = 26,179.68/x - Step 3: Cross multiply
102,081.47x = 153,121.68 × 26,179.68 - Step 4: Simplify right side
102,081.47x = 4,008,676,690.20 - Step 5: Solve for x
x = 4,008,676,690.20/102,081.47 - Step 6: Final answer
x = 39,269.39
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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.