Finding the Fourth Proportional to 125,797.12, 173,604.80 and 69,212.80
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Solution
The fourth proportional to 125,797.12, 173,604.80 and 69,212.80 is: 95,516.29
Step by Step Solution
- Step 1: Write the proportion equation
125,797.12 : 173,604.80 = 69,212.80 : x - Step 2: Convert to fraction form
125,797.12/173,604.80 = 69,212.80/x - Step 3: Cross multiply
125,797.12x = 173,604.80 × 69,212.80 - Step 4: Simplify right side
125,797.12x = 12,015,674,301.44 - Step 5: Solve for x
x = 12,015,674,301.44/125,797.12 - Step 6: Final answer
x = 95,516.29
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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.