Finding the Fourth Proportional to 130,157.80, 194,804.70 and 94,517.80
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Solution
The fourth proportional to 130,157.80, 194,804.70 and 94,517.80 is: 141,462.99
Step by Step Solution
- Step 1: Write the proportion equation
130,157.80 : 194,804.70 = 94,517.80 : x - Step 2: Convert to fraction form
130,157.80/194,804.70 = 94,517.80/x - Step 3: Cross multiply
130,157.80x = 194,804.70 × 94,517.80 - Step 4: Simplify right side
130,157.80x = 18,412,511,673.66 - Step 5: Solve for x
x = 18,412,511,673.66/130,157.80 - Step 6: Final answer
x = 141,462.99
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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.