Finding the Fourth Proportional to 110,720.08, 166,211.64 and 87,363.28
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Solution
The fourth proportional to 110,720.08, 166,211.64 and 87,363.28 is: 131,148.70
Step by Step Solution
- Step 1: Write the proportion equation
110,720.08 : 166,211.64 = 87,363.28 : x - Step 2: Convert to fraction form
110,720.08/166,211.64 = 87,363.28/x - Step 3: Cross multiply
110,720.08x = 166,211.64 × 87,363.28 - Step 4: Simplify right side
110,720.08x = 14,520,794,044.58 - Step 5: Solve for x
x = 14,520,794,044.58/110,720.08 - Step 6: Final answer
x = 131,148.70
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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.