Finding the Fourth Proportional to 107,169.87, 160,754.84 and 39,725.09
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Solution
The fourth proportional to 107,169.87, 160,754.84 and 39,725.09 is: 59,587.66
Step by Step Solution
- Step 1: Write the proportion equation
107,169.87 : 160,754.84 = 39,725.09 : x - Step 2: Convert to fraction form
107,169.87/160,754.84 = 39,725.09/x - Step 3: Cross multiply
107,169.87x = 160,754.84 × 39,725.09 - Step 4: Simplify right side
107,169.87x = 6,386,001,140.58 - Step 5: Solve for x
x = 6,386,001,140.58/107,169.87 - Step 6: Final answer
x = 59,587.66
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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.