Finding the Fourth Proportional to 163,771.74, 226,001.79 and 91,173.66
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Solution
The fourth proportional to 163,771.74, 226,001.79 and 91,173.66 is: 125,817.86
Step by Step Solution
- Step 1: Write the proportion equation
163,771.74 : 226,001.79 = 91,173.66 : x - Step 2: Convert to fraction form
163,771.74/226,001.79 = 91,173.66/x - Step 3: Cross multiply
163,771.74x = 226,001.79 × 91,173.66 - Step 4: Simplify right side
163,771.74x = 20,605,410,360.85 - Step 5: Solve for x
x = 20,605,410,360.85/163,771.74 - Step 6: Final answer
x = 125,817.86
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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.