Finding the Fourth Proportional to 125,511.30, 188,266.95 and 97,517.70
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Solution
The fourth proportional to 125,511.30, 188,266.95 and 97,517.70 is: 146,276.55
Step by Step Solution
- Step 1: Write the proportion equation
125,511.30 : 188,266.95 = 97,517.70 : x - Step 2: Convert to fraction form
125,511.30/188,266.95 = 97,517.70/x - Step 3: Cross multiply
125,511.30x = 188,266.95 × 97,517.70 - Step 4: Simplify right side
125,511.30x = 18,359,359,950.02 - Step 5: Solve for x
x = 18,359,359,950.02/125,511.30 - Step 6: Final answer
x = 146,276.55
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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.