Finding the Fourth Proportional to 125,313.71, 173,000.12 and 96,781.05
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Solution
The fourth proportional to 125,313.71, 173,000.12 and 96,781.05 is: 133,609.75
Step by Step Solution
- Step 1: Write the proportion equation
125,313.71 : 173,000.12 = 96,781.05 : x - Step 2: Convert to fraction form
125,313.71/173,000.12 = 96,781.05/x - Step 3: Cross multiply
125,313.71x = 173,000.12 × 96,781.05 - Step 4: Simplify right side
125,313.71x = 16,743,133,161.32 - Step 5: Solve for x
x = 16,743,133,161.32/125,313.71 - Step 6: Final answer
x = 133,609.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.