Finding the Fourth Proportional to 125,193.24, 172,765.20 and 67,831.44
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Solution
The fourth proportional to 125,193.24, 172,765.20 and 67,831.44 is: 93,606.59
Step by Step Solution
- Step 1: Write the proportion equation
125,193.24 : 172,765.20 = 67,831.44 : x - Step 2: Convert to fraction form
125,193.24/172,765.20 = 67,831.44/x - Step 3: Cross multiply
125,193.24x = 172,765.20 × 67,831.44 - Step 4: Simplify right side
125,193.24x = 11,718,912,297.89 - Step 5: Solve for x
x = 11,718,912,297.89/125,193.24 - Step 6: Final answer
x = 93,606.59
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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.