Finding the Fourth Proportional to 120,537.17, 166,330.09 and 66,817.63
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Solution
The fourth proportional to 120,537.17, 166,330.09 and 66,817.63 is: 92,202.12
Step by Step Solution
- Step 1: Write the proportion equation
120,537.17 : 166,330.09 = 66,817.63 : x - Step 2: Convert to fraction form
120,537.17/166,330.09 = 66,817.63/x - Step 3: Cross multiply
120,537.17x = 166,330.09 × 66,817.63 - Step 4: Simplify right side
120,537.17x = 11,113,782,411.49 - Step 5: Solve for x
x = 11,113,782,411.49/120,537.17 - Step 6: Final answer
x = 92,202.12
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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.