Finding the Fourth Proportional to 106,729.92, 147,356.01 and 68,506.02
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Solution
The fourth proportional to 106,729.92, 147,356.01 and 68,506.02 is: 94,582.42
Step by Step Solution
- Step 1: Write the proportion equation
106,729.92 : 147,356.01 = 68,506.02 : x - Step 2: Convert to fraction form
106,729.92/147,356.01 = 68,506.02/x - Step 3: Cross multiply
106,729.92x = 147,356.01 × 68,506.02 - Step 4: Simplify right side
106,729.92x = 10,094,773,768.18 - Step 5: Solve for x
x = 10,094,773,768.18/106,729.92 - Step 6: Final answer
x = 94,582.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.