Finding the Fourth Proportional to 119,137.91, 164,440.06 and 73,788.71
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Solution
The fourth proportional to 119,137.91, 164,440.06 and 73,788.71 is: 101,846.84
Step by Step Solution
- Step 1: Write the proportion equation
119,137.91 : 164,440.06 = 73,788.71 : x - Step 2: Convert to fraction form
119,137.91/164,440.06 = 73,788.71/x - Step 3: Cross multiply
119,137.91x = 164,440.06 × 73,788.71 - Step 4: Simplify right side
119,137.91x = 12,133,818,893.05 - Step 5: Solve for x
x = 12,133,818,893.05/119,137.91 - Step 6: Final answer
x = 101,846.84
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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.