Finding the Fourth Proportional to 106,675.68, 147,217.92 and 58,928.64
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Solution
The fourth proportional to 106,675.68, 147,217.92 and 58,928.64 is: 81,324.55
Step by Step Solution
- Step 1: Write the proportion equation
106,675.68 : 147,217.92 = 58,928.64 : x - Step 2: Convert to fraction form
106,675.68/147,217.92 = 58,928.64/x - Step 3: Cross multiply
106,675.68x = 147,217.92 × 58,928.64 - Step 4: Simplify right side
106,675.68x = 8,675,351,809.23 - Step 5: Solve for x
x = 8,675,351,809.23/106,675.68 - Step 6: Final answer
x = 81,324.55
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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.