Finding the Fourth Proportional to 145,980.92, 201,453.35 and 82,318.28
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Solution
The fourth proportional to 145,980.92, 201,453.35 and 82,318.28 is: 113,599.03
Step by Step Solution
- Step 1: Write the proportion equation
145,980.92 : 201,453.35 = 82,318.28 : x - Step 2: Convert to fraction form
145,980.92/201,453.35 = 82,318.28/x - Step 3: Cross multiply
145,980.92x = 201,453.35 × 82,318.28 - Step 4: Simplify right side
145,980.92x = 16,583,291,853.38 - Step 5: Solve for x
x = 16,583,291,853.38/145,980.92 - Step 6: Final answer
x = 113,599.03
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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.