Finding the Fourth Proportional to 118,416.70, 177,625.05 and 102,519.10
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Solution
The fourth proportional to 118,416.70, 177,625.05 and 102,519.10 is: 153,778.65
Step by Step Solution
- Step 1: Write the proportion equation
118,416.70 : 177,625.05 = 102,519.10 : x - Step 2: Convert to fraction form
118,416.70/177,625.05 = 102,519.10/x - Step 3: Cross multiply
118,416.70x = 177,625.05 × 102,519.10 - Step 4: Simplify right side
118,416.70x = 18,209,960,263.46 - Step 5: Solve for x
x = 18,209,960,263.46/118,416.70 - Step 6: Final answer
x = 153,778.65
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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.