Finding the Fourth Proportional to 131,974.24, 182,126.74 and 75,386.02
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Solution
The fourth proportional to 131,974.24, 182,126.74 and 75,386.02 is: 104,034.02
Step by Step Solution
- Step 1: Write the proportion equation
131,974.24 : 182,126.74 = 75,386.02 : x - Step 2: Convert to fraction form
131,974.24/182,126.74 = 75,386.02/x - Step 3: Cross multiply
131,974.24x = 182,126.74 × 75,386.02 - Step 4: Simplify right side
131,974.24x = 13,729,810,064.17 - Step 5: Solve for x
x = 13,729,810,064.17/131,974.24 - Step 6: Final answer
x = 104,034.02
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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.