Finding the Fourth Proportional to 125,157.12, 172,716.99 and 67,797.07
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Solution
The fourth proportional to 125,157.12, 172,716.99 and 67,797.07 is: 93,560.05
Step by Step Solution
- Step 1: Write the proportion equation
125,157.12 : 172,716.99 = 67,797.07 : x - Step 2: Convert to fraction form
125,157.12/172,716.99 = 67,797.07/x - Step 3: Cross multiply
125,157.12x = 172,716.99 × 67,797.07 - Step 4: Simplify right side
125,157.12x = 11,709,705,861.22 - Step 5: Solve for x
x = 11,709,705,861.22/125,157.12 - Step 6: Final answer
x = 93,560.05
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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.