Finding the Fourth Proportional to 106,382.44, 146,671.14 and 87,192.52
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Solution
The fourth proportional to 106,382.44, 146,671.14 and 87,192.52 is: 120,213.70
Step by Step Solution
- Step 1: Write the proportion equation
106,382.44 : 146,671.14 = 87,192.52 : x - Step 2: Convert to fraction form
106,382.44/146,671.14 = 87,192.52/x - Step 3: Cross multiply
106,382.44x = 146,671.14 × 87,192.52 - Step 4: Simplify right side
106,382.44x = 12,788,626,307.87 - Step 5: Solve for x
x = 12,788,626,307.87/106,382.44 - Step 6: Final answer
x = 120,213.70
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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.