Finding the Fourth Proportional to 125,251.53, 172,851.11 and 68,662.41
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Solution
The fourth proportional to 125,251.53, 172,851.11 and 68,662.41 is: 94,756.32
Step by Step Solution
- Step 1: Write the proportion equation
125,251.53 : 172,851.11 = 68,662.41 : x - Step 2: Convert to fraction form
125,251.53/172,851.11 = 68,662.41/x - Step 3: Cross multiply
125,251.53x = 172,851.11 × 68,662.41 - Step 4: Simplify right side
125,251.53x = 11,868,373,440.46 - Step 5: Solve for x
x = 11,868,373,440.46/125,251.53 - Step 6: Final answer
x = 94,756.32
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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.