Finding the Fourth Proportional to 168,009.08, 252,119.12 and 68,169.69
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Solution
The fourth proportional to 168,009.08, 252,119.12 and 68,169.69 is: 102,297.34
Step by Step Solution
- Step 1: Write the proportion equation
168,009.08 : 252,119.12 = 68,169.69 : x - Step 2: Convert to fraction form
168,009.08/252,119.12 = 68,169.69/x - Step 3: Cross multiply
168,009.08x = 252,119.12 × 68,169.69 - Step 4: Simplify right side
168,009.08x = 17,186,881,912.62 - Step 5: Solve for x
x = 17,186,881,912.62/168,009.08 - Step 6: Final answer
x = 102,297.34
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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.