Finding the Fourth Proportional to 106,826.14, 160,126.21 and 40,237.46
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Solution
The fourth proportional to 106,826.14, 160,126.21 and 40,237.46 is: 60,313.63
Step by Step Solution
- Step 1: Write the proportion equation
106,826.14 : 160,126.21 = 40,237.46 : x - Step 2: Convert to fraction form
106,826.14/160,126.21 = 40,237.46/x - Step 3: Cross multiply
106,826.14x = 160,126.21 × 40,237.46 - Step 4: Simplify right side
106,826.14x = 6,443,071,969.83 - Step 5: Solve for x
x = 6,443,071,969.83/106,826.14 - Step 6: Final answer
x = 60,313.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.