Finding the Fourth Proportional to 107,103.36, 147,800.68 and 58,704.88
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Solution
The fourth proportional to 107,103.36, 147,800.68 and 58,704.88 is: 81,011.66
Step by Step Solution
- Step 1: Write the proportion equation
107,103.36 : 147,800.68 = 58,704.88 : x - Step 2: Convert to fraction form
107,103.36/147,800.68 = 58,704.88/x - Step 3: Cross multiply
107,103.36x = 147,800.68 × 58,704.88 - Step 4: Simplify right side
107,103.36x = 8,676,621,183.32 - Step 5: Solve for x
x = 8,676,621,183.32/107,103.36 - Step 6: Final answer
x = 81,011.66
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1.5x scale
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.