Finding the Fourth Proportional to 120,533.53, 166,325.07 and 66,813.97
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Solution
The fourth proportional to 120,533.53, 166,325.07 and 66,813.97 is: 92,197.07
Step by Step Solution
- Step 1: Write the proportion equation
120,533.53 : 166,325.07 = 66,813.97 : x - Step 2: Convert to fraction form
120,533.53/166,325.07 = 66,813.97/x - Step 3: Cross multiply
120,533.53x = 166,325.07 × 66,813.97 - Step 4: Simplify right side
120,533.53x = 11,112,838,237.23 - Step 5: Solve for x
x = 11,112,838,237.23/120,533.53 - Step 6: Final answer
x = 92,197.07
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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.