Finding the Fourth Proportional to 134,685.64, 202,203.42 and 103,542.76
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Solution
The fourth proportional to 134,685.64, 202,203.42 and 103,542.76 is: 155,448.64
Step by Step Solution
- Step 1: Write the proportion equation
134,685.64 : 202,203.42 = 103,542.76 : x - Step 2: Convert to fraction form
134,685.64/202,203.42 = 103,542.76/x - Step 3: Cross multiply
134,685.64x = 202,203.42 × 103,542.76 - Step 4: Simplify right side
134,685.64x = 20,936,700,188.24 - Step 5: Solve for x
x = 20,936,700,188.24/134,685.64 - Step 6: Final answer
x = 155,448.64
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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.