Finding the Fourth Proportional to 125,635.35, 173,378.47 and 68,275.81
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Solution
The fourth proportional to 125,635.35, 173,378.47 and 68,275.81 is: 94,221.53
Step by Step Solution
- Step 1: Write the proportion equation
125,635.35 : 173,378.47 = 68,275.81 : x - Step 2: Convert to fraction form
125,635.35/173,378.47 = 68,275.81/x - Step 3: Cross multiply
125,635.35x = 173,378.47 × 68,275.81 - Step 4: Simplify right side
125,635.35x = 11,837,554,697.62 - Step 5: Solve for x
x = 11,837,554,697.62/125,635.35 - Step 6: Final answer
x = 94,221.53
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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.