Finding the Fourth Proportional to 122,180.20, 183,270.30 and 92,655.70
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Solution
The fourth proportional to 122,180.20, 183,270.30 and 92,655.70 is: 138,983.55
Step by Step Solution
- Step 1: Write the proportion equation
122,180.20 : 183,270.30 = 92,655.70 : x - Step 2: Convert to fraction form
122,180.20/183,270.30 = 92,655.70/x - Step 3: Cross multiply
122,180.20x = 183,270.30 × 92,655.70 - Step 4: Simplify right side
122,180.20x = 16,981,037,935.71 - Step 5: Solve for x
x = 16,981,037,935.71/122,180.20 - Step 6: Final answer
x = 138,983.55
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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.