Finding the Fourth Proportional to 134,064.40, 201,154.20 and 68,400.40
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Solution
The fourth proportional to 134,064.40, 201,154.20 and 68,400.40 is: 102,629.99
Step by Step Solution
- Step 1: Write the proportion equation
134,064.40 : 201,154.20 = 68,400.40 : x - Step 2: Convert to fraction form
134,064.40/201,154.20 = 68,400.40/x - Step 3: Cross multiply
134,064.40x = 201,154.20 × 68,400.40 - Step 4: Simplify right side
134,064.40x = 13,759,027,741.68 - Step 5: Solve for x
x = 13,759,027,741.68/134,064.40 - Step 6: Final answer
x = 102,629.99
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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.