Finding the Fourth Proportional to 110,916.68, 153,064.68 and 60,615.68
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Solution
The fourth proportional to 110,916.68, 153,064.68 and 60,615.68 is: 83,649.45
Step by Step Solution
- Step 1: Write the proportion equation
110,916.68 : 153,064.68 = 60,615.68 : x - Step 2: Convert to fraction form
110,916.68/153,064.68 = 60,615.68/x - Step 3: Cross multiply
110,916.68x = 153,064.68 × 60,615.68 - Step 4: Simplify right side
110,916.68x = 9,278,119,662.18 - Step 5: Solve for x
x = 9,278,119,662.18/110,916.68 - Step 6: Final answer
x = 83,649.45
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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.