Finding the Fourth Proportional to 130,108.24, 179,697.18 and 87,592.96
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Solution
The fourth proportional to 130,108.24, 179,697.18 and 87,592.96 is: 120,977.79
Step by Step Solution
- Step 1: Write the proportion equation
130,108.24 : 179,697.18 = 87,592.96 : x - Step 2: Convert to fraction form
130,108.24/179,697.18 = 87,592.96/x - Step 3: Cross multiply
130,108.24x = 179,697.18 × 87,592.96 - Step 4: Simplify right side
130,108.24x = 15,740,207,899.85 - Step 5: Solve for x
x = 15,740,207,899.85/130,108.24 - Step 6: Final answer
x = 120,977.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.