Finding the Fourth Proportional to 131,697.01, 181,742.36 and 71,267.65
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Solution
The fourth proportional to 131,697.01, 181,742.36 and 71,267.65 is: 98,349.62
Step by Step Solution
- Step 1: Write the proportion equation
131,697.01 : 181,742.36 = 71,267.65 : x - Step 2: Convert to fraction form
131,697.01/181,742.36 = 71,267.65/x - Step 3: Cross multiply
131,697.01x = 181,742.36 × 71,267.65 - Step 4: Simplify right side
131,697.01x = 12,952,350,902.65 - Step 5: Solve for x
x = 12,952,350,902.65/131,697.01 - Step 6: Final answer
x = 98,349.62
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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.