Finding the Fourth Proportional to 114,163.80, 171,245.70 and 61,675.80
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Solution
The fourth proportional to 114,163.80, 171,245.70 and 61,675.80 is: 92,513.70
Step by Step Solution
- Step 1: Write the proportion equation
114,163.80 : 171,245.70 = 61,675.80 : x - Step 2: Convert to fraction form
114,163.80/171,245.70 = 61,675.80/x - Step 3: Cross multiply
114,163.80x = 171,245.70 × 61,675.80 - Step 4: Simplify right side
114,163.80x = 10,561,715,544.06 - Step 5: Solve for x
x = 10,561,715,544.06/114,163.80 - Step 6: Final answer
x = 92,513.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.