Finding the Fourth Proportional to 107,965.52, 148,992.68 and 60,221.96
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Solution
The fourth proportional to 107,965.52, 148,992.68 and 60,221.96 is: 83,106.45
Step by Step Solution
- Step 1: Write the proportion equation
107,965.52 : 148,992.68 = 60,221.96 : x - Step 2: Convert to fraction form
107,965.52/148,992.68 = 60,221.96/x - Step 3: Cross multiply
107,965.52x = 148,992.68 × 60,221.96 - Step 4: Simplify right side
107,965.52x = 8,972,631,215.25 - Step 5: Solve for x
x = 8,972,631,215.25/107,965.52 - Step 6: Final answer
x = 83,106.45
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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.