Finding the Fourth Proportional to 120,610.99, 166,442.07 and 66,896.11
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Solution
The fourth proportional to 120,610.99, 166,442.07 and 66,896.11 is: 92,316.02
Step by Step Solution
- Step 1: Write the proportion equation
120,610.99 : 166,442.07 = 66,896.11 : x - Step 2: Convert to fraction form
120,610.99/166,442.07 = 66,896.11/x - Step 3: Cross multiply
120,610.99x = 166,442.07 × 66,896.11 - Step 4: Simplify right side
120,610.99x = 11,134,327,023.35 - Step 5: Solve for x
x = 11,134,327,023.35/120,610.99 - Step 6: Final answer
x = 92,316.02
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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.