Finding the Fourth Proportional to 163,173.99, 225,179.88 and 91,560.68
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Solution
The fourth proportional to 163,173.99, 225,179.88 and 91,560.68 is: 126,353.60
Step by Step Solution
- Step 1: Write the proportion equation
163,173.99 : 225,179.88 = 91,560.68 : x - Step 2: Convert to fraction form
163,173.99/225,179.88 = 91,560.68/x - Step 3: Cross multiply
163,173.99x = 225,179.88 × 91,560.68 - Step 4: Simplify right side
163,173.99x = 20,617,621,809.22 - Step 5: Solve for x
x = 20,617,621,809.22/163,173.99 - Step 6: Final answer
x = 126,353.60
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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.