Finding the Fourth Proportional to 118,041.84, 177,183.72 and 92,031.12
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Solution
The fourth proportional to 118,041.84, 177,183.72 and 92,031.12 is: 138,140.99
Step by Step Solution
- Step 1: Write the proportion equation
118,041.84 : 177,183.72 = 92,031.12 : x - Step 2: Convert to fraction form
118,041.84/177,183.72 = 92,031.12/x - Step 3: Cross multiply
118,041.84x = 177,183.72 × 92,031.12 - Step 4: Simplify right side
118,041.84x = 16,306,416,197.37 - Step 5: Solve for x
x = 16,306,416,197.37/118,041.84 - Step 6: Final answer
x = 138,140.99
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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.