Finding the Fourth Proportional to 134,996.13, 186,278.68 and 74,563.17
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Solution
The fourth proportional to 134,996.13, 186,278.68 and 74,563.17 is: 102,888.34
Step by Step Solution
- Step 1: Write the proportion equation
134,996.13 : 186,278.68 = 74,563.17 : x - Step 2: Convert to fraction form
134,996.13/186,278.68 = 74,563.17/x - Step 3: Cross multiply
134,996.13x = 186,278.68 × 74,563.17 - Step 4: Simplify right side
134,996.13x = 13,889,528,278.87 - Step 5: Solve for x
x = 13,889,528,278.87/134,996.13 - Step 6: Final answer
x = 102,888.34
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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.