Finding the Fourth Proportional to 125,843.60, 188,609.88 and 63,480.08
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Solution
The fourth proportional to 125,843.60, 188,609.88 and 63,480.08 is: 95,141.67
Step by Step Solution
- Step 1: Write the proportion equation
125,843.60 : 188,609.88 = 63,480.08 : x - Step 2: Convert to fraction form
125,843.60/188,609.88 = 63,480.08/x - Step 3: Cross multiply
125,843.60x = 188,609.88 × 63,480.08 - Step 4: Simplify right side
125,843.60x = 11,972,970,271.19 - Step 5: Solve for x
x = 11,972,970,271.19/125,843.60 - Step 6: Final answer
x = 95,141.67
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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.