Finding the Fourth Proportional to 163,195.28, 225,208.88 and 91,575.14
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Solution
The fourth proportional to 163,195.28, 225,208.88 and 91,575.14 is: 126,373.35
Step by Step Solution
- Step 1: Write the proportion equation
163,195.28 : 225,208.88 = 91,575.14 : x - Step 2: Convert to fraction form
163,195.28/225,208.88 = 91,575.14/x - Step 3: Cross multiply
163,195.28x = 225,208.88 × 91,575.14 - Step 4: Simplify right side
163,195.28x = 20,623,534,715.24 - Step 5: Solve for x
x = 20,623,534,715.24/163,195.28 - Step 6: Final answer
x = 126,373.35
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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.