Finding the Fourth Proportional to 134,109.12, 201,164.88 and 45,363.12
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Solution
The fourth proportional to 134,109.12, 201,164.88 and 45,363.12 is: 68,045.09
Step by Step Solution
- Step 1: Write the proportion equation
134,109.12 : 201,164.88 = 45,363.12 : x - Step 2: Convert to fraction form
134,109.12/201,164.88 = 45,363.12/x - Step 3: Cross multiply
134,109.12x = 201,164.88 × 45,363.12 - Step 4: Simplify right side
134,109.12x = 9,125,466,591.23 - Step 5: Solve for x
x = 9,125,466,591.23/134,109.12 - Step 6: Final answer
x = 68,045.09
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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.