Finding the Fourth Proportional to 134,901.01, 186,164.90 and 74,471.68
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Solution
The fourth proportional to 134,901.01, 186,164.90 and 74,471.68 is: 102,771.75
Step by Step Solution
- Step 1: Write the proportion equation
134,901.01 : 186,164.90 = 74,471.68 : x - Step 2: Convert to fraction form
134,901.01/186,164.90 = 74,471.68/x - Step 3: Cross multiply
134,901.01x = 186,164.90 × 74,471.68 - Step 4: Simplify right side
134,901.01x = 13,864,012,860.03 - Step 5: Solve for x
x = 13,864,012,860.03/134,901.01 - Step 6: Final answer
x = 102,771.75
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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.