Finding the Fourth Proportional to 125,532.96, 188,299.40 and 36,786.44
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Solution
The fourth proportional to 125,532.96, 188,299.40 and 36,786.44 is: 55,179.65
Step by Step Solution
- Step 1: Write the proportion equation
125,532.96 : 188,299.40 = 36,786.44 : x - Step 2: Convert to fraction form
125,532.96/188,299.40 = 36,786.44/x - Step 3: Cross multiply
125,532.96x = 188,299.40 × 36,786.44 - Step 4: Simplify right side
125,532.96x = 6,926,864,580.14 - Step 5: Solve for x
x = 6,926,864,580.14/125,532.96 - Step 6: Final answer
x = 55,179.65
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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.