Finding the Fourth Proportional to 127,718.02, 176,250.80 and 74,034.14
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Solution
The fourth proportional to 127,718.02, 176,250.80 and 74,034.14 is: 102,167.07
Step by Step Solution
- Step 1: Write the proportion equation
127,718.02 : 176,250.80 = 74,034.14 : x - Step 2: Convert to fraction form
127,718.02/176,250.80 = 74,034.14/x - Step 3: Cross multiply
127,718.02x = 176,250.80 × 74,034.14 - Step 4: Simplify right side
127,718.02x = 13,048,576,402.31 - Step 5: Solve for x
x = 13,048,576,402.31/127,718.02 - Step 6: Final answer
x = 102,167.07
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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.