Finding the Fourth Proportional to 110,916.18, 153,063.99 and 60,615.18
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Solution
The fourth proportional to 110,916.18, 153,063.99 and 60,615.18 is: 83,648.76
Step by Step Solution
- Step 1: Write the proportion equation
110,916.18 : 153,063.99 = 60,615.18 : x - Step 2: Convert to fraction form
110,916.18/153,063.99 = 60,615.18/x - Step 3: Cross multiply
110,916.18x = 153,063.99 × 60,615.18 - Step 4: Simplify right side
110,916.18x = 9,278,001,305.37 - Step 5: Solve for x
x = 9,278,001,305.37/110,916.18 - Step 6: Final answer
x = 83,648.76
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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.