Finding the Fourth Proportional to 163,446.98, 225,579.57 and 91,832.54
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Solution
The fourth proportional to 163,446.98, 225,579.57 and 91,832.54 is: 126,741.68
Step by Step Solution
- Step 1: Write the proportion equation
163,446.98 : 225,579.57 = 91,832.54 : x - Step 2: Convert to fraction form
163,446.98/225,579.57 = 91,832.54/x - Step 3: Cross multiply
163,446.98x = 225,579.57 × 91,832.54 - Step 4: Simplify right side
163,446.98x = 20,715,544,885.21 - Step 5: Solve for x
x = 20,715,544,885.21/163,446.98 - Step 6: Final answer
x = 126,741.68
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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.