Finding the Fourth Proportional to 134,903.41, 186,168.21 and 74,474.09
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Solution
The fourth proportional to 134,903.41, 186,168.21 and 74,474.09 is: 102,775.07
Step by Step Solution
- Step 1: Write the proportion equation
134,903.41 : 186,168.21 = 74,474.09 : x - Step 2: Convert to fraction form
134,903.41/186,168.21 = 74,474.09/x - Step 3: Cross multiply
134,903.41x = 186,168.21 × 74,474.09 - Step 4: Simplify right side
134,903.41x = 13,864,708,026.68 - Step 5: Solve for x
x = 13,864,708,026.68/134,903.41 - Step 6: Final answer
x = 102,775.07
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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.