Finding the Fourth Proportional to 113,155.18, 169,489.79 and 106,530.62
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Solution
The fourth proportional to 113,155.18, 169,489.79 and 106,530.62 is: 159,567.17
Step by Step Solution
- Step 1: Write the proportion equation
113,155.18 : 169,489.79 = 106,530.62 : x - Step 2: Convert to fraction form
113,155.18/169,489.79 = 106,530.62/x - Step 3: Cross multiply
113,155.18x = 169,489.79 × 106,530.62 - Step 4: Simplify right side
113,155.18x = 18,055,851,431.76 - Step 5: Solve for x
x = 18,055,851,431.76/113,155.18 - Step 6: Final answer
x = 159,567.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.