Finding the Fourth Proportional to 168,018.08, 252,132.62 and 68,178.69
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Solution
The fourth proportional to 168,018.08, 252,132.62 and 68,178.69 is: 102,310.85
Step by Step Solution
- Step 1: Write the proportion equation
168,018.08 : 252,132.62 = 68,178.69 : x - Step 2: Convert to fraction form
168,018.08/252,132.62 = 68,178.69/x - Step 3: Cross multiply
168,018.08x = 252,132.62 × 68,178.69 - Step 4: Simplify right side
168,018.08x = 17,190,071,396.97 - Step 5: Solve for x
x = 17,190,071,396.97/168,018.08 - Step 6: Final answer
x = 102,310.85
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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.