Finding the Fourth Proportional to 115,770.10, 173,655.15 and 97,107.70
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Solution
The fourth proportional to 115,770.10, 173,655.15 and 97,107.70 is: 145,661.55
Step by Step Solution
- Step 1: Write the proportion equation
115,770.10 : 173,655.15 = 97,107.70 : x - Step 2: Convert to fraction form
115,770.10/173,655.15 = 97,107.70/x - Step 3: Cross multiply
115,770.10x = 173,655.15 × 97,107.70 - Step 4: Simplify right side
115,770.10x = 16,863,252,209.66 - Step 5: Solve for x
x = 16,863,252,209.66/115,770.10 - Step 6: Final answer
x = 145,661.55
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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.