Finding the Fourth Proportional to 106,901.84, 160,242.04 and 87,983.09
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Solution
The fourth proportional to 106,901.84, 160,242.04 and 87,983.09 is: 131,883.51
Step by Step Solution
- Step 1: Write the proportion equation
106,901.84 : 160,242.04 = 87,983.09 : x - Step 2: Convert to fraction form
106,901.84/160,242.04 = 87,983.09/x - Step 3: Cross multiply
106,901.84x = 160,242.04 × 87,983.09 - Step 4: Simplify right side
106,901.84x = 14,098,589,714.67 - Step 5: Solve for x
x = 14,098,589,714.67/106,901.84 - Step 6: Final answer
x = 131,883.51
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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.