Finding the Fourth Proportional to 125,914.26, 173,756.41 and 69,321.99
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Solution
The fourth proportional to 125,914.26, 173,756.41 and 69,321.99 is: 95,661.45
Step by Step Solution
- Step 1: Write the proportion equation
125,914.26 : 173,756.41 = 69,321.99 : x - Step 2: Convert to fraction form
125,914.26/173,756.41 = 69,321.99/x - Step 3: Cross multiply
125,914.26x = 173,756.41 × 69,321.99 - Step 4: Simplify right side
125,914.26x = 12,045,140,116.46 - Step 5: Solve for x
x = 12,045,140,116.46/125,914.26 - Step 6: Final answer
x = 95,661.45
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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.