Finding the Fourth Proportional to 108,048.84, 149,101.35 and 60,305.28
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Solution
The fourth proportional to 108,048.84, 149,101.35 and 60,305.28 is: 83,217.91
Step by Step Solution
- Step 1: Write the proportion equation
108,048.84 : 149,101.35 = 60,305.28 : x - Step 2: Convert to fraction form
108,048.84/149,101.35 = 60,305.28/x - Step 3: Cross multiply
108,048.84x = 149,101.35 × 60,305.28 - Step 4: Simplify right side
108,048.84x = 8,991,598,660.13 - Step 5: Solve for x
x = 8,991,598,660.13/108,048.84 - Step 6: Final answer
x = 83,217.91
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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.