Finding the Fourth Proportional to 120,270.34, 180,352.18 and 64,099.99
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Solution
The fourth proportional to 120,270.34, 180,352.18 and 64,099.99 is: 96,121.56
Step by Step Solution
- Step 1: Write the proportion equation
120,270.34 : 180,352.18 = 64,099.99 : x - Step 2: Convert to fraction form
120,270.34/180,352.18 = 64,099.99/x - Step 3: Cross multiply
120,270.34x = 180,352.18 × 64,099.99 - Step 4: Simplify right side
120,270.34x = 11,560,572,934.48 - Step 5: Solve for x
x = 11,560,572,934.48/120,270.34 - Step 6: Final answer
x = 96,121.56
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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.