Finding the Fourth Proportional to 134,855.06, 202,223.76 and 71,659.96
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Solution
The fourth proportional to 134,855.06, 202,223.76 and 71,659.96 is: 107,458.68
Step by Step Solution
- Step 1: Write the proportion equation
134,855.06 : 202,223.76 = 71,659.96 : x - Step 2: Convert to fraction form
134,855.06/202,223.76 = 71,659.96/x - Step 3: Cross multiply
134,855.06x = 202,223.76 × 71,659.96 - Step 4: Simplify right side
134,855.06x = 14,491,346,552.65 - Step 5: Solve for x
x = 14,491,346,552.65/134,855.06 - Step 6: Final answer
x = 107,458.68
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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.