Finding the Fourth Proportional to 125,917.38, 173,766.02 and 69,328.75
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Solution
The fourth proportional to 125,917.38, 173,766.02 and 69,328.75 is: 95,673.69
Step by Step Solution
- Step 1: Write the proportion equation
125,917.38 : 173,766.02 = 69,328.75 : x - Step 2: Convert to fraction form
125,917.38/173,766.02 = 69,328.75/x - Step 3: Cross multiply
125,917.38x = 173,766.02 × 69,328.75 - Step 4: Simplify right side
125,917.38x = 12,046,980,959.08 - Step 5: Solve for x
x = 12,046,980,959.08/125,917.38 - Step 6: Final answer
x = 95,673.69
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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.