Finding the Fourth Proportional to 133,060.65, 183,625.41 and 79,376.68
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Solution
The fourth proportional to 133,060.65, 183,625.41 and 79,376.68 is: 109,540.84
Step by Step Solution
- Step 1: Write the proportion equation
133,060.65 : 183,625.41 = 79,376.68 : x - Step 2: Convert to fraction form
133,060.65/183,625.41 = 79,376.68/x - Step 3: Cross multiply
133,060.65x = 183,625.41 × 79,376.68 - Step 4: Simplify right side
133,060.65x = 14,575,575,409.44 - Step 5: Solve for x
x = 14,575,575,409.44/133,060.65 - Step 6: Final answer
x = 109,540.84
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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.