Finding the Fourth Proportional to 110,985.99, 153,161.25 and 60,684.99
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Solution
The fourth proportional to 110,985.99, 153,161.25 and 60,684.99 is: 83,745.61
Step by Step Solution
- Step 1: Write the proportion equation
110,985.99 : 153,161.25 = 60,684.99 : x - Step 2: Convert to fraction form
110,985.99/153,161.25 = 60,684.99/x - Step 3: Cross multiply
110,985.99x = 153,161.25 × 60,684.99 - Step 4: Simplify right side
110,985.99x = 9,294,588,924.64 - Step 5: Solve for x
x = 9,294,588,924.64/110,985.99 - Step 6: Final answer
x = 83,745.61
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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.