Finding the Fourth Proportional to 125,984.19, 173,858.19 and 69,395.57
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Solution
The fourth proportional to 125,984.19, 173,858.19 and 69,395.57 is: 95,765.88
Step by Step Solution
- Step 1: Write the proportion equation
125,984.19 : 173,858.19 = 69,395.57 : x - Step 2: Convert to fraction form
125,984.19/173,858.19 = 69,395.57/x - Step 3: Cross multiply
125,984.19x = 173,858.19 × 69,395.57 - Step 4: Simplify right side
125,984.19x = 12,064,987,324.93 - Step 5: Solve for x
x = 12,064,987,324.93/125,984.19 - Step 6: Final answer
x = 95,765.88
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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.