Finding the Fourth Proportional to 129,703.48, 194,496.90 and 125,621.08
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Solution
The fourth proportional to 129,703.48, 194,496.90 and 125,621.08 is: 188,375.14
Step by Step Solution
- Step 1: Write the proportion equation
129,703.48 : 194,496.90 = 125,621.08 : x - Step 2: Convert to fraction form
129,703.48/194,496.90 = 125,621.08/x - Step 3: Cross multiply
129,703.48x = 194,496.90 × 125,621.08 - Step 4: Simplify right side
129,703.48x = 24,432,910,634.65 - Step 5: Solve for x
x = 24,432,910,634.65/129,703.48 - Step 6: Final answer
x = 188,375.14
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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.