Finding the Fourth Proportional to 126,069.94, 173,972.10 and 68,708.08
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Solution
The fourth proportional to 126,069.94, 173,972.10 and 68,708.08 is: 94,814.74
Step by Step Solution
- Step 1: Write the proportion equation
126,069.94 : 173,972.10 = 68,708.08 : x - Step 2: Convert to fraction form
126,069.94/173,972.10 = 68,708.08/x - Step 3: Cross multiply
126,069.94x = 173,972.10 × 68,708.08 - Step 4: Simplify right side
126,069.94x = 11,953,288,964.57 - Step 5: Solve for x
x = 11,953,288,964.57/126,069.94 - Step 6: Final answer
x = 94,814.74
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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.