Finding the Fourth Proportional to 106,623.74, 159,960.21 and 56,751.94
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Solution
The fourth proportional to 106,623.74, 159,960.21 and 56,751.94 is: 85,141.00
Step by Step Solution
- Step 1: Write the proportion equation
106,623.74 : 159,960.21 = 56,751.94 : x - Step 2: Convert to fraction form
106,623.74/159,960.21 = 56,751.94/x - Step 3: Cross multiply
106,623.74x = 159,960.21 × 56,751.94 - Step 4: Simplify right side
106,623.74x = 9,078,051,440.51 - Step 5: Solve for x
x = 9,078,051,440.51/106,623.74 - Step 6: Final answer
x = 85,141.00
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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.