Finding the Fourth Proportional to 127,169.68, 175,515.88 and 73,445.04
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Solution
The fourth proportional to 127,169.68, 175,515.88 and 73,445.04 is: 101,366.70
Step by Step Solution
- Step 1: Write the proportion equation
127,169.68 : 175,515.88 = 73,445.04 : x - Step 2: Convert to fraction form
127,169.68/175,515.88 = 73,445.04/x - Step 3: Cross multiply
127,169.68x = 175,515.88 × 73,445.04 - Step 4: Simplify right side
127,169.68x = 12,890,770,827.24 - Step 5: Solve for x
x = 12,890,770,827.24/127,169.68 - Step 6: Final answer
x = 101,366.70
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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.