Finding the Fourth Proportional to 129,995.62, 194,993.48 and 46,889.62
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Solution
The fourth proportional to 129,995.62, 194,993.48 and 46,889.62 is: 70,334.45
Step by Step Solution
- Step 1: Write the proportion equation
129,995.62 : 194,993.48 = 46,889.62 : x - Step 2: Convert to fraction form
129,995.62/194,993.48 = 46,889.62/x - Step 3: Cross multiply
129,995.62x = 194,993.48 × 46,889.62 - Step 4: Simplify right side
129,995.62x = 9,143,170,179.68 - Step 5: Solve for x
x = 9,143,170,179.68/129,995.62 - Step 6: Final answer
x = 70,334.45
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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.