Finding the Fourth Proportional to 124,216.20, 186,324.30 and 94,691.70
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Solution
The fourth proportional to 124,216.20, 186,324.30 and 94,691.70 is: 142,037.55
Step by Step Solution
- Step 1: Write the proportion equation
124,216.20 : 186,324.30 = 94,691.70 : x - Step 2: Convert to fraction form
124,216.20/186,324.30 = 94,691.70/x - Step 3: Cross multiply
124,216.20x = 186,324.30 × 94,691.70 - Step 4: Simplify right side
124,216.20x = 17,643,364,718.31 - Step 5: Solve for x
x = 17,643,364,718.31/124,216.20 - Step 6: Final answer
x = 142,037.55
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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.