Finding the Fourth Proportional to 127,202.84, 190,808.31 and 63,988.41
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Solution
The fourth proportional to 127,202.84, 190,808.31 and 63,988.41 is: 95,984.66
Step by Step Solution
- Step 1: Write the proportion equation
127,202.84 : 190,808.31 = 63,988.41 : x - Step 2: Convert to fraction form
127,202.84/190,808.31 = 63,988.41/x - Step 3: Cross multiply
127,202.84x = 190,808.31 × 63,988.41 - Step 4: Simplify right side
127,202.84x = 12,209,520,967.24 - Step 5: Solve for x
x = 12,209,520,967.24/127,202.84 - Step 6: Final answer
x = 95,984.66
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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.