Finding the Fourth Proportional to 125,247.66, 172,853.73 and 71,540.70
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Solution
The fourth proportional to 125,247.66, 172,853.73 and 71,540.70 is: 98,733.00
Step by Step Solution
- Step 1: Write the proportion equation
125,247.66 : 172,853.73 = 71,540.70 : x - Step 2: Convert to fraction form
125,247.66/172,853.73 = 71,540.70/x - Step 3: Cross multiply
125,247.66x = 172,853.73 × 71,540.70 - Step 4: Simplify right side
125,247.66x = 12,366,076,841.81 - Step 5: Solve for x
x = 12,366,076,841.81/125,247.66 - Step 6: Final answer
x = 98,733.00
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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.