Finding the Fourth Proportional to 135,102.08, 186,450.52 and 74,671.41
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Solution
The fourth proportional to 135,102.08, 186,450.52 and 74,671.41 is: 103,051.88
Step by Step Solution
- Step 1: Write the proportion equation
135,102.08 : 186,450.52 = 74,671.41 : x - Step 2: Convert to fraction form
135,102.08/186,450.52 = 74,671.41/x - Step 3: Cross multiply
135,102.08x = 186,450.52 × 74,671.41 - Step 4: Simplify right side
135,102.08x = 13,922,523,223.63 - Step 5: Solve for x
x = 13,922,523,223.63/135,102.08 - Step 6: Final answer
x = 103,051.88
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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.