Finding the Fourth Proportional to 143,373.42, 197,798.49 and 82,932.84
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Solution
The fourth proportional to 143,373.42, 197,798.49 and 82,932.84 is: 114,414.45
Step by Step Solution
- Step 1: Write the proportion equation
143,373.42 : 197,798.49 = 82,932.84 : x - Step 2: Convert to fraction form
143,373.42/197,798.49 = 82,932.84/x - Step 3: Cross multiply
143,373.42x = 197,798.49 × 82,932.84 - Step 4: Simplify right side
143,373.42x = 16,403,990,523.41 - Step 5: Solve for x
x = 16,403,990,523.41/143,373.42 - Step 6: Final answer
x = 114,414.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.