Finding the Fourth Proportional to 73,537.20, 110,305.80 and 18,133.20
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Solution
The fourth proportional to 73,537.20, 110,305.80 and 18,133.20 is: 27,199.80
Step by Step Solution
- Step 1: Write the proportion equation
73,537.20 : 110,305.80 = 18,133.20 : x - Step 2: Convert to fraction form
73,537.20/110,305.80 = 18,133.20/x - Step 3: Cross multiply
73,537.20x = 110,305.80 × 18,133.20 - Step 4: Simplify right side
73,537.20x = 2,000,197,132.56 - Step 5: Solve for x
x = 2,000,197,132.56/73,537.20 - Step 6: Final answer
x = 27,199.80
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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.