Finding the Fourth Proportional to 134,052.84, 185,079.60 and 83,119.68
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Solution
The fourth proportional to 134,052.84, 185,079.60 and 83,119.68 is: 114,758.90
Step by Step Solution
- Step 1: Write the proportion equation
134,052.84 : 185,079.60 = 83,119.68 : x - Step 2: Convert to fraction form
134,052.84/185,079.60 = 83,119.68/x - Step 3: Cross multiply
134,052.84x = 185,079.60 × 83,119.68 - Step 4: Simplify right side
134,052.84x = 15,383,757,126.53 - Step 5: Solve for x
x = 15,383,757,126.53/134,052.84 - Step 6: Final answer
x = 114,758.90
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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.