Finding the Fourth Proportional to 127,133.07, 175,508.97 and 89,574.99
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Solution
The fourth proportional to 127,133.07, 175,508.97 and 89,574.99 is: 123,659.52
Step by Step Solution
- Step 1: Write the proportion equation
127,133.07 : 175,508.97 = 89,574.99 : x - Step 2: Convert to fraction form
127,133.07/175,508.97 = 89,574.99/x - Step 3: Cross multiply
127,133.07x = 175,508.97 × 89,574.99 - Step 4: Simplify right side
127,133.07x = 15,721,214,232.66 - Step 5: Solve for x
x = 15,721,214,232.66/127,133.07 - Step 6: Final answer
x = 123,659.52
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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.