Finding the Fourth Proportional to 125,561.36, 173,202.28 and 75,231.20
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Solution
The fourth proportional to 125,561.36, 173,202.28 and 75,231.20 is: 103,775.68
Step by Step Solution
- Step 1: Write the proportion equation
125,561.36 : 173,202.28 = 75,231.20 : x - Step 2: Convert to fraction form
125,561.36/173,202.28 = 75,231.20/x - Step 3: Cross multiply
125,561.36x = 173,202.28 × 75,231.20 - Step 4: Simplify right side
125,561.36x = 13,030,215,367.14 - Step 5: Solve for x
x = 13,030,215,367.14/125,561.36 - Step 6: Final answer
x = 103,775.68
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1.5x scale
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.