Finding the Fourth Proportional to 125,153.17, 187,728.03 and 30,384.08
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Solution
The fourth proportional to 125,153.17, 187,728.03 and 30,384.08 is: 45,575.70
Step by Step Solution
- Step 1: Write the proportion equation
125,153.17 : 187,728.03 = 30,384.08 : x - Step 2: Convert to fraction form
125,153.17/187,728.03 = 30,384.08/x - Step 3: Cross multiply
125,153.17x = 187,728.03 × 30,384.08 - Step 4: Simplify right side
125,153.17x = 5,703,943,247.10 - Step 5: Solve for x
x = 5,703,943,247.10/125,153.17 - Step 6: Final answer
x = 45,575.70
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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.