Finding the Fourth Proportional to 106,628.14, 147,146.88 and 58,884.73
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Solution
The fourth proportional to 106,628.14, 147,146.88 and 58,884.73 is: 81,260.95
Step by Step Solution
- Step 1: Write the proportion equation
106,628.14 : 147,146.88 = 58,884.73 : x - Step 2: Convert to fraction form
106,628.14/147,146.88 = 58,884.73/x - Step 3: Cross multiply
106,628.14x = 147,146.88 × 58,884.73 - Step 4: Simplify right side
106,628.14x = 8,664,704,299.14 - Step 5: Solve for x
x = 8,664,704,299.14/106,628.14 - Step 6: Final answer
x = 81,260.95
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1.5x scale
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.