Finding the Fourth Proportional to 125,613.80, 188,420.70 and 32,114.60
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Solution
The fourth proportional to 125,613.80, 188,420.70 and 32,114.60 is: 48,171.90
Step by Step Solution
- Step 1: Write the proportion equation
125,613.80 : 188,420.70 = 32,114.60 : x - Step 2: Convert to fraction form
125,613.80/188,420.70 = 32,114.60/x - Step 3: Cross multiply
125,613.80x = 188,420.70 × 32,114.60 - Step 4: Simplify right side
125,613.80x = 6,051,055,412.22 - Step 5: Solve for x
x = 6,051,055,412.22/125,613.80 - Step 6: Final answer
x = 48,171.90
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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.