Finding the Fourth Proportional to 134,752.80, 202,129.20 and 119,719.20
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Solution
The fourth proportional to 134,752.80, 202,129.20 and 119,719.20 is: 179,578.80
Step by Step Solution
- Step 1: Write the proportion equation
134,752.80 : 202,129.20 = 119,719.20 : x - Step 2: Convert to fraction form
134,752.80/202,129.20 = 119,719.20/x - Step 3: Cross multiply
134,752.80x = 202,129.20 × 119,719.20 - Step 4: Simplify right side
134,752.80x = 24,198,746,120.64 - Step 5: Solve for x
x = 24,198,746,120.64/134,752.80 - Step 6: Final answer
x = 179,578.80
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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.