Finding the Fourth Proportional to 114,876.97, 158,506.77 and 67,121.08
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Solution
The fourth proportional to 114,876.97, 158,506.77 and 67,121.08 is: 92,613.39
Step by Step Solution
- Step 1: Write the proportion equation
114,876.97 : 158,506.77 = 67,121.08 : x - Step 2: Convert to fraction form
114,876.97/158,506.77 = 67,121.08/x - Step 3: Cross multiply
114,876.97x = 158,506.77 × 67,121.08 - Step 4: Simplify right side
114,876.97x = 10,639,145,589.71 - Step 5: Solve for x
x = 10,639,145,589.71/114,876.97 - Step 6: Final answer
x = 92,613.39
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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.