Finding the Fourth Proportional to 126,220.57, 174,184.87 and 68,861.18
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Solution
The fourth proportional to 126,220.57, 174,184.87 and 68,861.18 is: 95,028.69
Step by Step Solution
- Step 1: Write the proportion equation
126,220.57 : 174,184.87 = 68,861.18 : x - Step 2: Convert to fraction form
126,220.57/174,184.87 = 68,861.18/x - Step 3: Cross multiply
126,220.57x = 174,184.87 × 68,861.18 - Step 4: Simplify right side
126,220.57x = 11,994,575,292.65 - Step 5: Solve for x
x = 11,994,575,292.65/126,220.57 - Step 6: Final answer
x = 95,028.69
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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.