Finding the Fourth Proportional to 97,324.20, 145,986.30 and 84,493.80
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Solution
The fourth proportional to 97,324.20, 145,986.30 and 84,493.80 is: 126,740.70
Step by Step Solution
- Step 1: Write the proportion equation
97,324.20 : 145,986.30 = 84,493.80 : x - Step 2: Convert to fraction form
97,324.20/145,986.30 = 84,493.80/x - Step 3: Cross multiply
97,324.20x = 145,986.30 × 84,493.80 - Step 4: Simplify right side
97,324.20x = 12,334,937,234.94 - Step 5: Solve for x
x = 12,334,937,234.94/97,324.20 - Step 6: Final answer
x = 126,740.70
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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.