Finding the Fourth Proportional to 113,785.18, 169,812.57 and 101,174.17
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Solution
The fourth proportional to 113,785.18, 169,812.57 and 101,174.17 is: 150,991.95
Step by Step Solution
- Step 1: Write the proportion equation
113,785.18 : 169,812.57 = 101,174.17 : x - Step 2: Convert to fraction form
113,785.18/169,812.57 = 101,174.17/x - Step 3: Cross multiply
113,785.18x = 169,812.57 × 101,174.17 - Step 4: Simplify right side
113,785.18x = 17,180,645,400.79 - Step 5: Solve for x
x = 17,180,645,400.79/113,785.18 - Step 6: Final answer
x = 150,991.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.