Finding the Fourth Proportional to 127,119.38, 175,433.06 and 73,406.66
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Solution
The fourth proportional to 127,119.38, 175,433.06 and 73,406.66 is: 101,305.99
Step by Step Solution
- Step 1: Write the proportion equation
127,119.38 : 175,433.06 = 73,406.66 : x - Step 2: Convert to fraction form
127,119.38/175,433.06 = 73,406.66/x - Step 3: Cross multiply
127,119.38x = 175,433.06 × 73,406.66 - Step 4: Simplify right side
127,119.38x = 12,877,954,988.18 - Step 5: Solve for x
x = 12,877,954,988.18/127,119.38 - Step 6: Final answer
x = 101,305.99
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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.