Finding the Fourth Proportional to 147,771.11, 203,932.01 and 84,129.41
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Solution
The fourth proportional to 147,771.11, 203,932.01 and 84,129.41 is: 116,103.07
Step by Step Solution
- Step 1: Write the proportion equation
147,771.11 : 203,932.01 = 84,129.41 : x - Step 2: Convert to fraction form
147,771.11/203,932.01 = 84,129.41/x - Step 3: Cross multiply
147,771.11x = 203,932.01 × 84,129.41 - Step 4: Simplify right side
147,771.11x = 17,156,679,681.41 - Step 5: Solve for x
x = 17,156,679,681.41/147,771.11 - Step 6: Final answer
x = 116,103.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.