Finding the Fourth Proportional to 155,132.92, 232,622.74 and 91,107.12
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Solution
The fourth proportional to 155,132.92, 232,622.74 and 91,107.12 is: 136,615.67
Step by Step Solution
- Step 1: Write the proportion equation
155,132.92 : 232,622.74 = 91,107.12 : x - Step 2: Convert to fraction form
155,132.92/232,622.74 = 91,107.12/x - Step 3: Cross multiply
155,132.92x = 232,622.74 × 91,107.12 - Step 4: Simplify right side
155,132.92x = 21,193,587,887.91 - Step 5: Solve for x
x = 21,193,587,887.91/155,132.92 - Step 6: Final answer
x = 136,615.67
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1.5x scale
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.