Finding the Fourth Proportional to 125,930.10, 188,895.15 and 124,763.70
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Solution
The fourth proportional to 125,930.10, 188,895.15 and 124,763.70 is: 187,145.55
Step by Step Solution
- Step 1: Write the proportion equation
125,930.10 : 188,895.15 = 124,763.70 : x - Step 2: Convert to fraction form
125,930.10/188,895.15 = 124,763.70/x - Step 3: Cross multiply
125,930.10x = 188,895.15 × 124,763.70 - Step 4: Simplify right side
125,930.10x = 23,567,257,826.06 - Step 5: Solve for x
x = 23,567,257,826.06/125,930.10 - Step 6: Final answer
x = 187,145.55
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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.