Finding the Fourth Proportional to 118,307.83, 177,178.83 and 68,236.13
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Solution
The fourth proportional to 118,307.83, 177,178.83 and 68,236.13 is: 102,191.02
Step by Step Solution
- Step 1: Write the proportion equation
118,307.83 : 177,178.83 = 68,236.13 : x - Step 2: Convert to fraction form
118,307.83/177,178.83 = 68,236.13/x - Step 3: Cross multiply
118,307.83x = 177,178.83 × 68,236.13 - Step 4: Simplify right side
118,307.83x = 12,089,997,677.13 - Step 5: Solve for x
x = 12,089,997,677.13/118,307.83 - Step 6: Final answer
x = 102,191.02
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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.