Finding the Fourth Proportional to 131,395.07, 181,325.37 and 74,806.44
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Solution
The fourth proportional to 131,395.07, 181,325.37 and 74,806.44 is: 103,232.99
Step by Step Solution
- Step 1: Write the proportion equation
131,395.07 : 181,325.37 = 74,806.44 : x - Step 2: Convert to fraction form
131,395.07/181,325.37 = 74,806.44/x - Step 3: Cross multiply
131,395.07x = 181,325.37 × 74,806.44 - Step 4: Simplify right side
131,395.07x = 13,564,305,411.38 - Step 5: Solve for x
x = 13,564,305,411.38/131,395.07 - Step 6: Final answer
x = 103,232.99
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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.