Finding the Fourth Proportional to 106,964.76, 160,272.15 and 56,991.84
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Solution
The fourth proportional to 106,964.76, 160,272.15 and 56,991.84 is: 85,394.52
Step by Step Solution
- Step 1: Write the proportion equation
106,964.76 : 160,272.15 = 56,991.84 : x - Step 2: Convert to fraction form
106,964.76/160,272.15 = 56,991.84/x - Step 3: Cross multiply
106,964.76x = 160,272.15 × 56,991.84 - Step 4: Simplify right side
106,964.76x = 9,134,204,729.26 - Step 5: Solve for x
x = 9,134,204,729.26/106,964.76 - Step 6: Final answer
x = 85,394.52
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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.