Finding the Fourth Proportional to 133,181.92, 183,795.48 and 79,460.09
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Solution
The fourth proportional to 133,181.92, 183,795.48 and 79,460.09 is: 109,657.56
Step by Step Solution
- Step 1: Write the proportion equation
133,181.92 : 183,795.48 = 79,460.09 : x - Step 2: Convert to fraction form
133,181.92/183,795.48 = 79,460.09/x - Step 3: Cross multiply
133,181.92x = 183,795.48 × 79,460.09 - Step 4: Simplify right side
133,181.92x = 14,604,405,152.65 - Step 5: Solve for x
x = 14,604,405,152.65/133,181.92 - Step 6: Final answer
x = 109,657.56
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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.