Finding the Fourth Proportional to 146,088.90, 201,602.99 and 82,426.75
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Solution
The fourth proportional to 146,088.90, 201,602.99 and 82,426.75 is: 113,749.09
Step by Step Solution
- Step 1: Write the proportion equation
146,088.90 : 201,602.99 = 82,426.75 : x - Step 2: Convert to fraction form
146,088.90/201,602.99 = 82,426.75/x - Step 3: Cross multiply
146,088.90x = 201,602.99 × 82,426.75 - Step 4: Simplify right side
146,088.90x = 16,617,478,958.04 - Step 5: Solve for x
x = 16,617,478,958.04/146,088.90 - Step 6: Final answer
x = 113,749.09
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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.