Finding the Fourth Proportional to 125,422.13, 173,081.65 and 68,059.99
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Solution
The fourth proportional to 125,422.13, 173,081.65 and 68,059.99 is: 93,922.30
Step by Step Solution
- Step 1: Write the proportion equation
125,422.13 : 173,081.65 = 68,059.99 : x - Step 2: Convert to fraction form
125,422.13/173,081.65 = 68,059.99/x - Step 3: Cross multiply
125,422.13x = 173,081.65 × 68,059.99 - Step 4: Simplify right side
125,422.13x = 11,779,934,765.33 - Step 5: Solve for x
x = 11,779,934,765.33/125,422.13 - Step 6: Final answer
x = 93,922.30
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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.