Finding the Fourth Proportional to 106,549.44, 147,659.84 and 105,046.08
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Solution
The fourth proportional to 106,549.44, 147,659.84 and 105,046.08 is: 145,576.43
Step by Step Solution
- Step 1: Write the proportion equation
106,549.44 : 147,659.84 = 105,046.08 : x - Step 2: Convert to fraction form
106,549.44/147,659.84 = 105,046.08/x - Step 3: Cross multiply
106,549.44x = 147,659.84 × 105,046.08 - Step 4: Simplify right side
106,549.44x = 15,511,087,365.43 - Step 5: Solve for x
x = 15,511,087,365.43/106,549.44 - Step 6: Final answer
x = 145,576.43
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.