Finding the Fourth Proportional to 168,503.85, 252,575.95 and 84,097.80
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Solution
The fourth proportional to 168,503.85, 252,575.95 and 84,097.80 is: 126,056.95
Step by Step Solution
- Step 1: Write the proportion equation
168,503.85 : 252,575.95 = 84,097.80 : x - Step 2: Convert to fraction form
168,503.85/252,575.95 = 84,097.80/x - Step 3: Cross multiply
168,503.85x = 252,575.95 × 84,097.80 - Step 4: Simplify right side
168,503.85x = 21,241,081,727.91 - Step 5: Solve for x
x = 21,241,081,727.91/168,503.85 - Step 6: Final answer
x = 126,056.95
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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.