Finding the Fourth Proportional to 124,619.40, 186,929.10 and 110,841.30
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Solution
The fourth proportional to 124,619.40, 186,929.10 and 110,841.30 is: 166,261.95
Step by Step Solution
- Step 1: Write the proportion equation
124,619.40 : 186,929.10 = 110,841.30 : x - Step 2: Convert to fraction form
124,619.40/186,929.10 = 110,841.30/x - Step 3: Cross multiply
124,619.40x = 186,929.10 × 110,841.30 - Step 4: Simplify right side
124,619.40x = 20,719,464,451.83 - Step 5: Solve for x
x = 20,719,464,451.83/124,619.40 - Step 6: Final answer
x = 166,261.95
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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.