Finding the Fourth Proportional to 134,793.80, 202,409.40 and 75,744.80
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Solution
The fourth proportional to 134,793.80, 202,409.40 and 75,744.80 is: 113,740.09
Step by Step Solution
- Step 1: Write the proportion equation
134,793.80 : 202,409.40 = 75,744.80 : x - Step 2: Convert to fraction form
134,793.80/202,409.40 = 75,744.80/x - Step 3: Cross multiply
134,793.80x = 202,409.40 × 75,744.80 - Step 4: Simplify right side
134,793.80x = 15,331,459,521.12 - Step 5: Solve for x
x = 15,331,459,521.12/134,793.80 - Step 6: Final answer
x = 113,740.09
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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.