Finding the Fourth Proportional to 105,676.35, 158,251.56 and 73,937.94
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Solution
The fourth proportional to 105,676.35, 158,251.56 and 73,937.94 is: 110,722.92
Step by Step Solution
- Step 1: Write the proportion equation
105,676.35 : 158,251.56 = 73,937.94 : x - Step 2: Convert to fraction form
105,676.35/158,251.56 = 73,937.94/x - Step 3: Cross multiply
105,676.35x = 158,251.56 × 73,937.94 - Step 4: Simplify right side
105,676.35x = 11,700,794,348.19 - Step 5: Solve for x
x = 11,700,794,348.19/105,676.35 - Step 6: Final answer
x = 110,722.92
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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.