Finding the Fourth Proportional to 120,536.11, 166,324.44 and 66,820.63
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Solution
The fourth proportional to 120,536.11, 166,324.44 and 66,820.63 is: 92,203.94
Step by Step Solution
- Step 1: Write the proportion equation
120,536.11 : 166,324.44 = 66,820.63 : x - Step 2: Convert to fraction form
120,536.11/166,324.44 = 66,820.63/x - Step 3: Cross multiply
120,536.11x = 166,324.44 × 66,820.63 - Step 4: Simplify right side
120,536.11x = 11,113,903,865.20 - Step 5: Solve for x
x = 11,113,903,865.20/120,536.11 - Step 6: Final answer
x = 92,203.94
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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.