Finding the Fourth Proportional to 127,634.06, 176,140.86 and 71,049.08
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Solution
The fourth proportional to 127,634.06, 176,140.86 and 71,049.08 is: 98,050.99
Step by Step Solution
- Step 1: Write the proportion equation
127,634.06 : 176,140.86 = 71,049.08 : x - Step 2: Convert to fraction form
127,634.06/176,140.86 = 71,049.08/x - Step 3: Cross multiply
127,634.06x = 176,140.86 × 71,049.08 - Step 4: Simplify right side
127,634.06x = 12,514,646,053.41 - Step 5: Solve for x
x = 12,514,646,053.41/127,634.06 - Step 6: Final answer
x = 98,050.99
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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.