Finding the Fourth Proportional to 125,157.26, 187,720.22 and 40,910.37
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Solution
The fourth proportional to 125,157.26, 187,720.22 and 40,910.37 is: 61,360.43
Step by Step Solution
- Step 1: Write the proportion equation
125,157.26 : 187,720.22 = 40,910.37 : x - Step 2: Convert to fraction form
125,157.26/187,720.22 = 40,910.37/x - Step 3: Cross multiply
125,157.26x = 187,720.22 × 40,910.37 - Step 4: Simplify right side
125,157.26x = 7,679,703,452.13 - Step 5: Solve for x
x = 7,679,703,452.13/125,157.26 - Step 6: Final answer
x = 61,360.43
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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.