Finding the Fourth Proportional to 132,170.74, 198,452.93 and 53,438.74
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Solution
The fourth proportional to 132,170.74, 198,452.93 and 53,438.74 is: 80,237.69
Step by Step Solution
- Step 1: Write the proportion equation
132,170.74 : 198,452.93 = 53,438.74 : x - Step 2: Convert to fraction form
132,170.74/198,452.93 = 53,438.74/x - Step 3: Cross multiply
132,170.74x = 198,452.93 × 53,438.74 - Step 4: Simplify right side
132,170.74x = 10,605,074,528.51 - Step 5: Solve for x
x = 10,605,074,528.51/132,170.74 - Step 6: Final answer
x = 80,237.69
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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.