Finding the Fourth Proportional to 134,727.20, 202,090.80 and 122,261.30
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Solution
The fourth proportional to 134,727.20, 202,090.80 and 122,261.30 is: 183,391.95
Step by Step Solution
- Step 1: Write the proportion equation
134,727.20 : 202,090.80 = 122,261.30 : x - Step 2: Convert to fraction form
134,727.20/202,090.80 = 122,261.30/x - Step 3: Cross multiply
134,727.20x = 202,090.80 × 122,261.30 - Step 4: Simplify right side
134,727.20x = 24,707,883,926.04 - Step 5: Solve for x
x = 24,707,883,926.04/134,727.20 - Step 6: Final answer
x = 183,391.95
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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.