Finding the Fourth Proportional to 133,975.62, 201,009.18 and 83,995.38
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Solution
The fourth proportional to 133,975.62, 201,009.18 and 83,995.38 is: 126,021.75
Step by Step Solution
- Step 1: Write the proportion equation
133,975.62 : 201,009.18 = 83,995.38 : x - Step 2: Convert to fraction form
133,975.62/201,009.18 = 83,995.38/x - Step 3: Cross multiply
133,975.62x = 201,009.18 × 83,995.38 - Step 4: Simplify right side
133,975.62x = 16,883,842,457.59 - Step 5: Solve for x
x = 16,883,842,457.59/133,975.62 - Step 6: Final answer
x = 126,021.75
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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.