Finding the Fourth Proportional to 124,325.76, 186,340.56 and 71,626.08
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Solution
The fourth proportional to 124,325.76, 186,340.56 and 71,626.08 is: 107,353.81
Step by Step Solution
- Step 1: Write the proportion equation
124,325.76 : 186,340.56 = 71,626.08 : x - Step 2: Convert to fraction form
124,325.76/186,340.56 = 71,626.08/x - Step 3: Cross multiply
124,325.76x = 186,340.56 × 71,626.08 - Step 4: Simplify right side
124,325.76x = 13,346,843,857.80 - Step 5: Solve for x
x = 13,346,843,857.80/124,325.76 - Step 6: Final answer
x = 107,353.81
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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.