Finding the Fourth Proportional to 134,804.14, 202,381.17 and 103,661.26
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Solution
The fourth proportional to 134,804.14, 202,381.17 and 103,661.26 is: 155,626.43
Step by Step Solution
- Step 1: Write the proportion equation
134,804.14 : 202,381.17 = 103,661.26 : x - Step 2: Convert to fraction form
134,804.14/202,381.17 = 103,661.26/x - Step 3: Cross multiply
134,804.14x = 202,381.17 × 103,661.26 - Step 4: Simplify right side
134,804.14x = 20,979,087,082.47 - Step 5: Solve for x
x = 20,979,087,082.47/134,804.14 - Step 6: Final answer
x = 155,626.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.