Finding the Fourth Proportional to 127,838.97, 176,423.82 and 71,250.75
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Solution
The fourth proportional to 127,838.97, 176,423.82 and 71,250.75 is: 98,329.40
Step by Step Solution
- Step 1: Write the proportion equation
127,838.97 : 176,423.82 = 71,250.75 : x - Step 2: Convert to fraction form
127,838.97/176,423.82 = 71,250.75/x - Step 3: Cross multiply
127,838.97x = 176,423.82 × 71,250.75 - Step 4: Simplify right side
127,838.97x = 12,570,329,492.87 - Step 5: Solve for x
x = 12,570,329,492.87/127,838.97 - Step 6: Final answer
x = 98,329.40
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1.5x scale
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.