Finding the Fourth Proportional to 125,481.02, 173,157.75 and 71,771.94
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Solution
The fourth proportional to 125,481.02, 173,157.75 and 71,771.94 is: 99,041.82
Step by Step Solution
- Step 1: Write the proportion equation
125,481.02 : 173,157.75 = 71,771.94 : x - Step 2: Convert to fraction form
125,481.02/173,157.75 = 71,771.94/x - Step 3: Cross multiply
125,481.02x = 173,157.75 × 71,771.94 - Step 4: Simplify right side
125,481.02x = 12,427,867,643.54 - Step 5: Solve for x
x = 12,427,867,643.54/125,481.02 - Step 6: Final answer
x = 99,041.82
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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.