Finding the Fourth Proportional to 110,842.09, 166,122.94 and 70,845.66
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Solution
The fourth proportional to 110,842.09, 166,122.94 and 70,845.66 is: 106,178.88
Step by Step Solution
- Step 1: Write the proportion equation
110,842.09 : 166,122.94 = 70,845.66 : x - Step 2: Convert to fraction form
110,842.09/166,122.94 = 70,845.66/x - Step 3: Cross multiply
110,842.09x = 166,122.94 × 70,845.66 - Step 4: Simplify right side
110,842.09x = 11,769,089,325.44 - Step 5: Solve for x
x = 11,769,089,325.44/110,842.09 - Step 6: Final answer
x = 106,178.88
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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.