Finding the Fourth Proportional to 120,089.99, 180,119.50 and 53,514.98
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Solution
The fourth proportional to 120,089.99, 180,119.50 and 53,514.98 is: 80,265.56
Step by Step Solution
- Step 1: Write the proportion equation
120,089.99 : 180,119.50 = 53,514.98 : x - Step 2: Convert to fraction form
120,089.99/180,119.50 = 53,514.98/x - Step 3: Cross multiply
120,089.99x = 180,119.50 × 53,514.98 - Step 4: Simplify right side
120,089.99x = 9,639,091,081.17 - Step 5: Solve for x
x = 9,639,091,081.17/120,089.99 - Step 6: Final answer
x = 80,265.56
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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.