Finding the Fourth Proportional to 166,135.20, 248,905.80 and 101,101.20
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Solution
The fourth proportional to 166,135.20, 248,905.80 and 101,101.20 is: 151,471.06
Step by Step Solution
- Step 1: Write the proportion equation
166,135.20 : 248,905.80 = 101,101.20 : x - Step 2: Convert to fraction form
166,135.20/248,905.80 = 101,101.20/x - Step 3: Cross multiply
166,135.20x = 248,905.80 × 101,101.20 - Step 4: Simplify right side
166,135.20x = 25,164,675,066.96 - Step 5: Solve for x
x = 25,164,675,066.96/166,135.20 - Step 6: Final answer
x = 151,471.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.