Finding the Fourth Proportional to 136,548.80, 204,823.20 and 73,563.20
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Solution
The fourth proportional to 136,548.80, 204,823.20 and 73,563.20 is: 110,344.80
Step by Step Solution
- Step 1: Write the proportion equation
136,548.80 : 204,823.20 = 73,563.20 : x - Step 2: Convert to fraction form
136,548.80/204,823.20 = 73,563.20/x - Step 3: Cross multiply
136,548.80x = 204,823.20 × 73,563.20 - Step 4: Simplify right side
136,548.80x = 15,067,450,026.24 - Step 5: Solve for x
x = 15,067,450,026.24/136,548.80 - Step 6: Final answer
x = 110,344.80
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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.