Finding the Fourth Proportional to 125,224.16, 172,813.52 and 68,635.68
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Solution
The fourth proportional to 125,224.16, 172,813.52 and 68,635.68 is: 94,719.53
Step by Step Solution
- Step 1: Write the proportion equation
125,224.16 : 172,813.52 = 68,635.68 : x - Step 2: Convert to fraction form
125,224.16/172,813.52 = 68,635.68/x - Step 3: Cross multiply
125,224.16x = 172,813.52 × 68,635.68 - Step 4: Simplify right side
125,224.16x = 11,861,173,458.39 - Step 5: Solve for x
x = 11,861,173,458.39/125,224.16 - Step 6: Final answer
x = 94,719.53
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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.