Finding the Fourth Proportional to 110,138.21, 151,998.24 and 62,391.95
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Solution
The fourth proportional to 110,138.21, 151,998.24 and 62,391.95 is: 86,105.14
Step by Step Solution
- Step 1: Write the proportion equation
110,138.21 : 151,998.24 = 62,391.95 : x - Step 2: Convert to fraction form
110,138.21/151,998.24 = 62,391.95/x - Step 3: Cross multiply
110,138.21x = 151,998.24 × 62,391.95 - Step 4: Simplify right side
110,138.21x = 9,483,465,518.22 - Step 5: Solve for x
x = 9,483,465,518.22/110,138.21 - Step 6: Final answer
x = 86,105.14
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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.