Finding the Fourth Proportional to 133,074.76, 183,625.74 and 79,366.08
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Solution
The fourth proportional to 133,074.76, 183,625.74 and 79,366.08 is: 109,514.80
Step by Step Solution
- Step 1: Write the proportion equation
133,074.76 : 183,625.74 = 79,366.08 : x - Step 2: Convert to fraction form
133,074.76/183,625.74 = 79,366.08/x - Step 3: Cross multiply
133,074.76x = 183,625.74 × 79,366.08 - Step 4: Simplify right side
133,074.76x = 14,573,655,170.90 - Step 5: Solve for x
x = 14,573,655,170.90/133,074.76 - Step 6: Final answer
x = 109,514.80
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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.