Finding the Fourth Proportional to 110,963.48, 153,118.60 and 63,213.98
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Solution
The fourth proportional to 110,963.48, 153,118.60 and 63,213.98 is: 87,229.02
Step by Step Solution
- Step 1: Write the proportion equation
110,963.48 : 153,118.60 = 63,213.98 : x - Step 2: Convert to fraction form
110,963.48/153,118.60 = 63,213.98/x - Step 3: Cross multiply
110,963.48x = 153,118.60 × 63,213.98 - Step 4: Simplify right side
110,963.48x = 9,679,236,118.03 - Step 5: Solve for x
x = 9,679,236,118.03/110,963.48 - Step 6: Final answer
x = 87,229.02
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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.