Finding the Fourth Proportional to 125,483.58, 173,091.18 and 74,462.70
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Solution
The fourth proportional to 125,483.58, 173,091.18 and 74,462.70 is: 102,713.33
Step by Step Solution
- Step 1: Write the proportion equation
125,483.58 : 173,091.18 = 74,462.70 : x - Step 2: Convert to fraction form
125,483.58/173,091.18 = 74,462.70/x - Step 3: Cross multiply
125,483.58x = 173,091.18 × 74,462.70 - Step 4: Simplify right side
125,483.58x = 12,888,836,608.99 - Step 5: Solve for x
x = 12,888,836,608.99/125,483.58 - Step 6: Final answer
x = 102,713.33
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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.