Finding the Fourth Proportional to 125,232.35, 187,929.95 and 54,224.31
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Solution
The fourth proportional to 125,232.35, 187,929.95 and 54,224.31 is: 81,371.73
Step by Step Solution
- Step 1: Write the proportion equation
125,232.35 : 187,929.95 = 54,224.31 : x - Step 2: Convert to fraction form
125,232.35/187,929.95 = 54,224.31/x - Step 3: Cross multiply
125,232.35x = 187,929.95 × 54,224.31 - Step 4: Simplify right side
125,232.35x = 10,190,372,300.70 - Step 5: Solve for x
x = 10,190,372,300.70/125,232.35 - Step 6: Final answer
x = 81,371.73
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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.