Finding the Fourth Proportional to 68,095.46, 102,143.21 and 18,175.75
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Solution
The fourth proportional to 68,095.46, 102,143.21 and 18,175.75 is: 27,263.62
Step by Step Solution
- Step 1: Write the proportion equation
68,095.46 : 102,143.21 = 18,175.75 : x - Step 2: Convert to fraction form
68,095.46/102,143.21 = 18,175.75/x - Step 3: Cross multiply
68,095.46x = 102,143.21 × 18,175.75 - Step 4: Simplify right side
68,095.46x = 1,856,529,102.92 - Step 5: Solve for x
x = 1,856,529,102.92/68,095.46 - Step 6: Final answer
x = 27,263.62
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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.