Finding the Fourth Proportional to 125,697.91, 173,463.12 and 69,109.28
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Solution
The fourth proportional to 125,697.91, 173,463.12 and 69,109.28 is: 95,370.81
Step by Step Solution
- Step 1: Write the proportion equation
125,697.91 : 173,463.12 = 69,109.28 : x - Step 2: Convert to fraction form
125,697.91/173,463.12 = 69,109.28/x - Step 3: Cross multiply
125,697.91x = 173,463.12 × 69,109.28 - Step 4: Simplify right side
125,697.91x = 11,987,911,504.25 - Step 5: Solve for x
x = 11,987,911,504.25/125,697.91 - Step 6: Final answer
x = 95,370.81
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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.