Finding the Fourth Proportional to 106,515.36, 158,963.04 and 94,705.92
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Solution
The fourth proportional to 106,515.36, 158,963.04 and 94,705.92 is: 141,338.69
Step by Step Solution
- Step 1: Write the proportion equation
106,515.36 : 158,963.04 = 94,705.92 : x - Step 2: Convert to fraction form
106,515.36/158,963.04 = 94,705.92/x - Step 3: Cross multiply
106,515.36x = 158,963.04 × 94,705.92 - Step 4: Simplify right side
106,515.36x = 15,054,740,949.20 - Step 5: Solve for x
x = 15,054,740,949.20/106,515.36 - Step 6: Final answer
x = 141,338.69
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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.