Finding the Fourth Proportional to 127,713.42, 176,226.08 and 73,988.54
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Solution
The fourth proportional to 127,713.42, 176,226.08 and 73,988.54 is: 102,093.50
Step by Step Solution
- Step 1: Write the proportion equation
127,713.42 : 176,226.08 = 73,988.54 : x - Step 2: Convert to fraction form
127,713.42/176,226.08 = 73,988.54/x - Step 3: Cross multiply
127,713.42x = 176,226.08 × 73,988.54 - Step 4: Simplify right side
127,713.42x = 13,038,710,369.12 - Step 5: Solve for x
x = 13,038,710,369.12/127,713.42 - Step 6: Final answer
x = 102,093.50
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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.