Finding the Fourth Proportional to 131,795.68, 197,692.80 and 31,955.80
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Solution
The fourth proportional to 131,795.68, 197,692.80 and 31,955.80 is: 47,933.53
Step by Step Solution
- Step 1: Write the proportion equation
131,795.68 : 197,692.80 = 31,955.80 : x - Step 2: Convert to fraction form
131,795.68/197,692.80 = 31,955.80/x - Step 3: Cross multiply
131,795.68x = 197,692.80 × 31,955.80 - Step 4: Simplify right side
131,795.68x = 6,317,431,578.24 - Step 5: Solve for x
x = 6,317,431,578.24/131,795.68 - Step 6: Final answer
x = 47,933.53
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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.