Finding the Fourth Proportional to 125,571.64, 173,288.04 and 68,210.44
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Solution
The fourth proportional to 125,571.64, 173,288.04 and 68,210.44 is: 94,129.96
Step by Step Solution
- Step 1: Write the proportion equation
125,571.64 : 173,288.04 = 68,210.44 : x - Step 2: Convert to fraction form
125,571.64/173,288.04 = 68,210.44/x - Step 3: Cross multiply
125,571.64x = 173,288.04 × 68,210.44 - Step 4: Simplify right side
125,571.64x = 11,820,053,455.14 - Step 5: Solve for x
x = 11,820,053,455.14/125,571.64 - Step 6: Final answer
x = 94,129.96
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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.