Finding the Fourth Proportional to 165,209.40, 227,989.54 and 93,602.68
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Solution
The fourth proportional to 165,209.40, 227,989.54 and 93,602.68 is: 129,172.02
Step by Step Solution
- Step 1: Write the proportion equation
165,209.40 : 227,989.54 = 93,602.68 : x - Step 2: Convert to fraction form
165,209.40/227,989.54 = 93,602.68/x - Step 3: Cross multiply
165,209.40x = 227,989.54 × 93,602.68 - Step 4: Simplify right side
165,209.40x = 21,340,431,955.97 - Step 5: Solve for x
x = 21,340,431,955.97/165,209.40 - Step 6: Final answer
x = 129,172.02
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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.