Finding the Fourth Proportional to 124,220.20, 186,330.30 and 94,695.70
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Solution
The fourth proportional to 124,220.20, 186,330.30 and 94,695.70 is: 142,043.55
Step by Step Solution
- Step 1: Write the proportion equation
124,220.20 : 186,330.30 = 94,695.70 : x - Step 2: Convert to fraction form
124,220.20/186,330.30 = 94,695.70/x - Step 3: Cross multiply
124,220.20x = 186,330.30 × 94,695.70 - Step 4: Simplify right side
124,220.20x = 17,644,678,189.71 - Step 5: Solve for x
x = 17,644,678,189.71/124,220.20 - Step 6: Final answer
x = 142,043.55
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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.