Finding the Fourth Proportional to 120,774.70, 166,662.39 and 67,056.31
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Solution
The fourth proportional to 120,774.70, 166,662.39 and 67,056.31 is: 92,533.99
Step by Step Solution
- Step 1: Write the proportion equation
120,774.70 : 166,662.39 = 67,056.31 : x - Step 2: Convert to fraction form
120,774.70/166,662.39 = 67,056.31/x - Step 3: Cross multiply
120,774.70x = 166,662.39 × 67,056.31 - Step 4: Simplify right side
120,774.70x = 11,175,764,889.18 - Step 5: Solve for x
x = 11,175,764,889.18/120,774.70 - Step 6: Final answer
x = 92,533.99
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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.