Finding the Fourth Proportional to 124,964.44, 172,450.74 and 68,375.80
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Solution
The fourth proportional to 124,964.44, 172,450.74 and 68,375.80 is: 94,358.50
Step by Step Solution
- Step 1: Write the proportion equation
124,964.44 : 172,450.74 = 68,375.80 : x - Step 2: Convert to fraction form
124,964.44/172,450.74 = 68,375.80/x - Step 3: Cross multiply
124,964.44x = 172,450.74 × 68,375.80 - Step 4: Simplify right side
124,964.44x = 11,791,457,308.09 - Step 5: Solve for x
x = 11,791,457,308.09/124,964.44 - Step 6: Final answer
x = 94,358.50
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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.