Finding the Fourth Proportional to 110,133.25, 151,978.77 and 62,386.99
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Solution
The fourth proportional to 110,133.25, 151,978.77 and 62,386.99 is: 86,091.15
Step by Step Solution
- Step 1: Write the proportion equation
110,133.25 : 151,978.77 = 62,386.99 : x - Step 2: Convert to fraction form
110,133.25/151,978.77 = 62,386.99/x - Step 3: Cross multiply
110,133.25x = 151,978.77 × 62,386.99 - Step 4: Simplify right side
110,133.25x = 9,481,497,624.26 - Step 5: Solve for x
x = 9,481,497,624.26/110,133.25 - Step 6: Final answer
x = 86,091.15
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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.