Finding the Fourth Proportional to 135,090.91, 202,636.10 and 126,870.18
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Solution
The fourth proportional to 135,090.91, 202,636.10 and 126,870.18 is: 190,305.02
Step by Step Solution
- Step 1: Write the proportion equation
135,090.91 : 202,636.10 = 126,870.18 : x - Step 2: Convert to fraction form
135,090.91/202,636.10 = 126,870.18/x - Step 3: Cross multiply
135,090.91x = 202,636.10 × 126,870.18 - Step 4: Simplify right side
135,090.91x = 25,708,478,607.03 - Step 5: Solve for x
x = 25,708,478,607.03/135,090.91 - Step 6: Final answer
x = 190,305.02
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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.