Finding the Fourth Proportional to 168,007.40, 252,020.14 and 68,152.68
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Solution
The fourth proportional to 168,007.40, 252,020.14 and 68,152.68 is: 102,232.69
Step by Step Solution
- Step 1: Write the proportion equation
168,007.40 : 252,020.14 = 68,152.68 : x - Step 2: Convert to fraction form
168,007.40/252,020.14 = 68,152.68/x - Step 3: Cross multiply
168,007.40x = 252,020.14 × 68,152.68 - Step 4: Simplify right side
168,007.40x = 17,175,847,954.98 - Step 5: Solve for x
x = 17,175,847,954.98/168,007.40 - Step 6: Final answer
x = 102,232.69
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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.