Finding the Fourth Proportional to 125,281.80, 187,922.70 and 119,449.80
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Solution
The fourth proportional to 125,281.80, 187,922.70 and 119,449.80 is: 179,174.70
Step by Step Solution
- Step 1: Write the proportion equation
125,281.80 : 187,922.70 = 119,449.80 : x - Step 2: Convert to fraction form
125,281.80/187,922.70 = 119,449.80/x - Step 3: Cross multiply
125,281.80x = 187,922.70 × 119,449.80 - Step 4: Simplify right side
125,281.80x = 22,447,328,930.46 - Step 5: Solve for x
x = 22,447,328,930.46/125,281.80 - Step 6: Final answer
x = 179,174.70
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1.5x scale
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.