Finding the Fourth Proportional to 95,953.18, 132,389.76 and 92,169.68
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Solution
The fourth proportional to 95,953.18, 132,389.76 and 92,169.68 is: 127,169.54
Step by Step Solution
- Step 1: Write the proportion equation
95,953.18 : 132,389.76 = 92,169.68 : x - Step 2: Convert to fraction form
95,953.18/132,389.76 = 92,169.68/x - Step 3: Cross multiply
95,953.18x = 132,389.76 × 92,169.68 - Step 4: Simplify right side
95,953.18x = 12,202,321,814.48 - Step 5: Solve for x
x = 12,202,321,814.48/95,953.18 - Step 6: Final answer
x = 127,169.54
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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.