Finding the Fourth Proportional to 116,013.80, 160,137.06 and 68,264.84
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Solution
The fourth proportional to 116,013.80, 160,137.06 and 68,264.84 is: 94,227.85
Step by Step Solution
- Step 1: Write the proportion equation
116,013.80 : 160,137.06 = 68,264.84 : x - Step 2: Convert to fraction form
116,013.80/160,137.06 = 68,264.84/x - Step 3: Cross multiply
116,013.80x = 160,137.06 × 68,264.84 - Step 4: Simplify right side
116,013.80x = 10,931,730,778.97 - Step 5: Solve for x
x = 10,931,730,778.97/116,013.80 - Step 6: Final answer
x = 94,227.85
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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.