Finding the Fourth Proportional to 163,208.37, 225,243.74 and 91,588.68
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Solution
The fourth proportional to 163,208.37, 225,243.74 and 91,588.68 is: 126,401.46
Step by Step Solution
- Step 1: Write the proportion equation
163,208.37 : 225,243.74 = 91,588.68 : x - Step 2: Convert to fraction form
163,208.37/225,243.74 = 91,588.68/x - Step 3: Cross multiply
163,208.37x = 225,243.74 × 91,588.68 - Step 4: Simplify right side
163,208.37x = 20,629,776,366.92 - Step 5: Solve for x
x = 20,629,776,366.92/163,208.37 - Step 6: Final answer
x = 126,401.46
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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.