Finding the Fourth Proportional to 105,966.35, 158,949.60 and 27,080.65
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Solution
The fourth proportional to 105,966.35, 158,949.60 and 27,080.65 is: 40,620.99
Step by Step Solution
- Step 1: Write the proportion equation
105,966.35 : 158,949.60 = 27,080.65 : x - Step 2: Convert to fraction form
105,966.35/158,949.60 = 27,080.65/x - Step 3: Cross multiply
105,966.35x = 158,949.60 × 27,080.65 - Step 4: Simplify right side
105,966.35x = 4,304,458,485.24 - Step 5: Solve for x
x = 4,304,458,485.24/105,966.35 - Step 6: Final answer
x = 40,620.99
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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.