Finding the Fourth Proportional to 118,213.70, 177,320.55 and 94,885.70
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Solution
The fourth proportional to 118,213.70, 177,320.55 and 94,885.70 is: 142,328.55
Step by Step Solution
- Step 1: Write the proportion equation
118,213.70 : 177,320.55 = 94,885.70 : x - Step 2: Convert to fraction form
118,213.70/177,320.55 = 94,885.70/x - Step 3: Cross multiply
118,213.70x = 177,320.55 × 94,885.70 - Step 4: Simplify right side
118,213.70x = 16,825,184,511.14 - Step 5: Solve for x
x = 16,825,184,511.14/118,213.70 - Step 6: Final answer
x = 142,328.55
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1.5x scale
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.