Finding the Fourth Proportional to 163,452.60, 225,587.16 and 91,837.98
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Solution
The fourth proportional to 163,452.60, 225,587.16 and 91,837.98 is: 126,749.09
Step by Step Solution
- Step 1: Write the proportion equation
163,452.60 : 225,587.16 = 91,837.98 : x - Step 2: Convert to fraction form
163,452.60/225,587.16 = 91,837.98/x - Step 3: Cross multiply
163,452.60x = 225,587.16 × 91,837.98 - Step 4: Simplify right side
163,452.60x = 20,717,469,088.34 - Step 5: Solve for x
x = 20,717,469,088.34/163,452.60 - Step 6: Final answer
x = 126,749.09
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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.