Finding the Fourth Proportional to 134,612.43, 201,947.38 and 67,180.74
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Solution
The fourth proportional to 134,612.43, 201,947.38 and 67,180.74 is: 100,785.45
Step by Step Solution
- Step 1: Write the proportion equation
134,612.43 : 201,947.38 = 67,180.74 : x - Step 2: Convert to fraction form
134,612.43/201,947.38 = 67,180.74/x - Step 3: Cross multiply
134,612.43x = 201,947.38 × 67,180.74 - Step 4: Simplify right side
134,612.43x = 13,566,974,640.16 - Step 5: Solve for x
x = 13,566,974,640.16/134,612.43 - Step 6: Final answer
x = 100,785.45
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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.