Finding the Fourth Proportional to 125,626.88, 173,365.76 and 68,266.65
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Solution
The fourth proportional to 125,626.88, 173,365.76 and 68,266.65 is: 94,208.34
Step by Step Solution
- Step 1: Write the proportion equation
125,626.88 : 173,365.76 = 68,266.65 : x - Step 2: Convert to fraction form
125,626.88/173,365.76 = 68,266.65/x - Step 3: Cross multiply
125,626.88x = 173,365.76 × 68,266.65 - Step 4: Simplify right side
125,626.88x = 11,835,099,659.90 - Step 5: Solve for x
x = 11,835,099,659.90/125,626.88 - Step 6: Final answer
x = 94,208.34
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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.