Finding the Fourth Proportional to 110,958.75, 153,123.08 and 60,657.75
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Solution
The fourth proportional to 110,958.75, 153,123.08 and 60,657.75 is: 83,707.70
Step by Step Solution
- Step 1: Write the proportion equation
110,958.75 : 153,123.08 = 60,657.75 : x - Step 2: Convert to fraction form
110,958.75/153,123.08 = 60,657.75/x - Step 3: Cross multiply
110,958.75x = 153,123.08 × 60,657.75 - Step 4: Simplify right side
110,958.75x = 9,288,101,505.87 - Step 5: Solve for x
x = 9,288,101,505.87/110,958.75 - Step 6: Final answer
x = 83,707.70
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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.