Finding the Fourth Proportional to 125,531.28, 173,147.18 and 80,189.14
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Solution
The fourth proportional to 125,531.28, 173,147.18 and 80,189.14 is: 110,606.09
Step by Step Solution
- Step 1: Write the proportion equation
125,531.28 : 173,147.18 = 80,189.14 : x - Step 2: Convert to fraction form
125,531.28/173,147.18 = 80,189.14/x - Step 3: Cross multiply
125,531.28x = 173,147.18 × 80,189.14 - Step 4: Simplify right side
125,531.28x = 13,884,523,457.63 - Step 5: Solve for x
x = 13,884,523,457.63/125,531.28 - Step 6: Final answer
x = 110,606.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.