Finding the Fourth Proportional to 122,548.14, 169,106.32 and 68,101.91
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Solution
The fourth proportional to 122,548.14, 169,106.32 and 68,101.91 is: 93,975.02
Step by Step Solution
- Step 1: Write the proportion equation
122,548.14 : 169,106.32 = 68,101.91 : x - Step 2: Convert to fraction form
122,548.14/169,106.32 = 68,101.91/x - Step 3: Cross multiply
122,548.14x = 169,106.32 × 68,101.91 - Step 4: Simplify right side
122,548.14x = 11,516,463,044.56 - Step 5: Solve for x
x = 11,516,463,044.56/122,548.14 - Step 6: Final answer
x = 93,975.02
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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.