Finding the Fourth Proportional to 106,638.38, 147,160.47 and 58,891.52
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Solution
The fourth proportional to 106,638.38, 147,160.47 and 58,891.52 is: 81,270.02
Step by Step Solution
- Step 1: Write the proportion equation
106,638.38 : 147,160.47 = 58,891.52 : x - Step 2: Convert to fraction form
106,638.38/147,160.47 = 58,891.52/x - Step 3: Cross multiply
106,638.38x = 147,160.47 × 58,891.52 - Step 4: Simplify right side
106,638.38x = 8,666,503,762.21 - Step 5: Solve for x
x = 8,666,503,762.21/106,638.38 - Step 6: Final answer
x = 81,270.02
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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.