Finding the Fourth Proportional to 133,459.03, 201,116.96 and 120,812.63
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Solution
The fourth proportional to 133,459.03, 201,116.96 and 120,812.63 is: 182,059.39
Step by Step Solution
- Step 1: Write the proportion equation
133,459.03 : 201,116.96 = 120,812.63 : x - Step 2: Convert to fraction form
133,459.03/201,116.96 = 120,812.63/x - Step 3: Cross multiply
133,459.03x = 201,116.96 × 120,812.63 - Step 4: Simplify right side
133,459.03x = 24,297,468,849.89 - Step 5: Solve for x
x = 24,297,468,849.89/133,459.03 - Step 6: Final answer
x = 182,059.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.