Finding the Fourth Proportional to 125,474.18, 173,154.66 and 68,889.20
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Solution
The fourth proportional to 125,474.18, 173,154.66 and 68,889.20 is: 95,067.26
Step by Step Solution
- Step 1: Write the proportion equation
125,474.18 : 173,154.66 = 68,889.20 : x - Step 2: Convert to fraction form
125,474.18/173,154.66 = 68,889.20/x - Step 3: Cross multiply
125,474.18x = 173,154.66 × 68,889.20 - Step 4: Simplify right side
125,474.18x = 11,928,486,003.67 - Step 5: Solve for x
x = 11,928,486,003.67/125,474.18 - Step 6: Final answer
x = 95,067.26
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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.