Finding the Fourth Proportional to 95,959.80, 143,939.70 and 84,295.80
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Solution
The fourth proportional to 95,959.80, 143,939.70 and 84,295.80 is: 126,443.70
Step by Step Solution
- Step 1: Write the proportion equation
95,959.80 : 143,939.70 = 84,295.80 : x - Step 2: Convert to fraction form
95,959.80/143,939.70 = 84,295.80/x - Step 3: Cross multiply
95,959.80x = 143,939.70 × 84,295.80 - Step 4: Simplify right side
95,959.80x = 12,133,512,163.26 - Step 5: Solve for x
x = 12,133,512,163.26/95,959.80 - Step 6: Final answer
x = 126,443.70
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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.