Finding the Fourth Proportional to 127,213.94, 175,534.76 and 73,506.08
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Solution
The fourth proportional to 127,213.94, 175,534.76 and 73,506.08 is: 101,426.56
Step by Step Solution
- Step 1: Write the proportion equation
127,213.94 : 175,534.76 = 73,506.08 : x - Step 2: Convert to fraction form
127,213.94/175,534.76 = 73,506.08/x - Step 3: Cross multiply
127,213.94x = 175,534.76 × 73,506.08 - Step 4: Simplify right side
127,213.94x = 12,902,872,733.94 - Step 5: Solve for x
x = 12,902,872,733.94/127,213.94 - Step 6: Final answer
x = 101,426.56
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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.