Finding the Fourth Proportional to 146,330.08, 201,936.48 and 79,262.08
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Solution
The fourth proportional to 146,330.08, 201,936.48 and 79,262.08 is: 109,382.20
Step by Step Solution
- Step 1: Write the proportion equation
146,330.08 : 201,936.48 = 79,262.08 : x - Step 2: Convert to fraction form
146,330.08/201,936.48 = 79,262.08/x - Step 3: Cross multiply
146,330.08x = 201,936.48 × 79,262.08 - Step 4: Simplify right side
146,330.08x = 16,005,905,432.68 - Step 5: Solve for x
x = 16,005,905,432.68/146,330.08 - Step 6: Final answer
x = 109,382.20
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1.5x scale
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.