Finding the Fourth Proportional to 108,656.24, 149,952.80 and 60,912.68
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Solution
The fourth proportional to 108,656.24, 149,952.80 and 60,912.68 is: 84,063.53
Step by Step Solution
- Step 1: Write the proportion equation
108,656.24 : 149,952.80 = 60,912.68 : x - Step 2: Convert to fraction form
108,656.24/149,952.80 = 60,912.68/x - Step 3: Cross multiply
108,656.24x = 149,952.80 × 60,912.68 - Step 4: Simplify right side
108,656.24x = 9,134,026,324.02 - Step 5: Solve for x
x = 9,134,026,324.02/108,656.24 - Step 6: Final answer
x = 84,063.53
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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.