Finding the Fourth Proportional to 125,224.99, 187,859.37 and 55,102.48
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Solution
The fourth proportional to 125,224.99, 187,859.37 and 55,102.48 is: 82,663.35
Step by Step Solution
- Step 1: Write the proportion equation
125,224.99 : 187,859.37 = 55,102.48 : x - Step 2: Convert to fraction form
125,224.99/187,859.37 = 55,102.48/x - Step 3: Cross multiply
125,224.99x = 187,859.37 × 55,102.48 - Step 4: Simplify right side
125,224.99x = 10,351,517,178.24 - Step 5: Solve for x
x = 10,351,517,178.24/125,224.99 - Step 6: Final answer
x = 82,663.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.