Finding the Fourth Proportional to 192,072.53, 265,053.14 and 106,029.66
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Solution
The fourth proportional to 192,072.53, 265,053.14 and 106,029.66 is: 146,317.10
Step by Step Solution
- Step 1: Write the proportion equation
192,072.53 : 265,053.14 = 106,029.66 : x - Step 2: Convert to fraction form
192,072.53/265,053.14 = 106,029.66/x - Step 3: Cross multiply
192,072.53x = 265,053.14 × 106,029.66 - Step 4: Simplify right side
192,072.53x = 28,103,494,316.13 - Step 5: Solve for x
x = 28,103,494,316.13/192,072.53 - Step 6: Final answer
x = 146,317.10
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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.