Finding the Fourth Proportional to 125,422.08, 173,085.12 and 68,833.44
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Solution
The fourth proportional to 125,422.08, 173,085.12 and 68,833.44 is: 94,991.60
Step by Step Solution
- Step 1: Write the proportion equation
125,422.08 : 173,085.12 = 68,833.44 : x - Step 2: Convert to fraction form
125,422.08/173,085.12 = 68,833.44/x - Step 3: Cross multiply
125,422.08x = 173,085.12 × 68,833.44 - Step 4: Simplify right side
125,422.08x = 11,914,044,222.41 - Step 5: Solve for x
x = 11,914,044,222.41/125,422.08 - Step 6: Final answer
x = 94,991.60
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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.