Finding the Fourth Proportional to 113,157.48, 169,714.35 and 107,537.70
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Solution
The fourth proportional to 113,157.48, 169,714.35 and 107,537.70 is: 161,285.77
Step by Step Solution
- Step 1: Write the proportion equation
113,157.48 : 169,714.35 = 107,537.70 : x - Step 2: Convert to fraction form
113,157.48/169,714.35 = 107,537.70/x - Step 3: Cross multiply
113,157.48x = 169,714.35 × 107,537.70 - Step 4: Simplify right side
113,157.48x = 18,250,690,856.00 - Step 5: Solve for x
x = 18,250,690,856.00/113,157.48 - Step 6: Final answer
x = 161,285.77
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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.