Finding the Fourth Proportional to 119,645.10, 179,466.84 and 57,126.06
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Solution
The fourth proportional to 119,645.10, 179,466.84 and 57,126.06 is: 85,688.70
Step by Step Solution
- Step 1: Write the proportion equation
119,645.10 : 179,466.84 = 57,126.06 : x - Step 2: Convert to fraction form
119,645.10/179,466.84 = 57,126.06/x - Step 3: Cross multiply
119,645.10x = 179,466.84 × 57,126.06 - Step 4: Simplify right side
119,645.10x = 10,252,233,469.85 - Step 5: Solve for x
x = 10,252,233,469.85/119,645.10 - Step 6: Final answer
x = 85,688.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.