Finding the Fourth Proportional to 100,067.70, 149,737.05 and 73,823.70
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Solution
The fourth proportional to 100,067.70, 149,737.05 and 73,823.70 is: 110,466.64
Step by Step Solution
- Step 1: Write the proportion equation
100,067.70 : 149,737.05 = 73,823.70 : x - Step 2: Convert to fraction form
100,067.70/149,737.05 = 73,823.70/x - Step 3: Cross multiply
100,067.70x = 149,737.05 × 73,823.70 - Step 4: Simplify right side
100,067.70x = 11,054,143,058.09 - Step 5: Solve for x
x = 11,054,143,058.09/100,067.70 - Step 6: Final answer
x = 110,466.64
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1.5x scale
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.