Finding the Fourth Proportional to 169,756.37, 234,159.99 and 100,799.09
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Solution
The fourth proportional to 169,756.37, 234,159.99 and 100,799.09 is: 139,041.11
Step by Step Solution
- Step 1: Write the proportion equation
169,756.37 : 234,159.99 = 100,799.09 : x - Step 2: Convert to fraction form
169,756.37/234,159.99 = 100,799.09/x - Step 3: Cross multiply
169,756.37x = 234,159.99 × 100,799.09 - Step 4: Simplify right side
169,756.37x = 23,603,113,906.41 - Step 5: Solve for x
x = 23,603,113,906.41/169,756.37 - Step 6: Final answer
x = 139,041.11
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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.