Finding the Fourth Proportional to 125,622.36, 173,361.60 and 69,034.68
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Solution
The fourth proportional to 125,622.36, 173,361.60 and 69,034.68 is: 95,269.37
Step by Step Solution
- Step 1: Write the proportion equation
125,622.36 : 173,361.60 = 69,034.68 : x - Step 2: Convert to fraction form
125,622.36/173,361.60 = 69,034.68/x - Step 3: Cross multiply
125,622.36x = 173,361.60 × 69,034.68 - Step 4: Simplify right side
125,622.36x = 11,967,962,580.29 - Step 5: Solve for x
x = 11,967,962,580.29/125,622.36 - Step 6: Final answer
x = 95,269.37
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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.