Finding the Fourth Proportional to 120,182.68, 180,382.92 and 64,069.84
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Solution
The fourth proportional to 120,182.68, 180,382.92 and 64,069.84 is: 96,162.82
Step by Step Solution
- Step 1: Write the proportion equation
120,182.68 : 180,382.92 = 64,069.84 : x - Step 2: Convert to fraction form
120,182.68/180,382.92 = 64,069.84/x - Step 3: Cross multiply
120,182.68x = 180,382.92 × 64,069.84 - Step 4: Simplify right side
120,182.68x = 11,557,104,823.13 - Step 5: Solve for x
x = 11,557,104,823.13/120,182.68 - Step 6: Final answer
x = 96,162.82
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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.