Finding the Fourth Proportional to 107,751.51, 148,687.56 and 62,415
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Solution
The fourth proportional to 107,751.51, 148,687.56 and 62,415 is: 86,127.18
Step by Step Solution
- Step 1: Write the proportion equation
107,751.51 : 148,687.56 = 62,415 : x - Step 2: Convert to fraction form
107,751.51/148,687.56 = 62,415/x - Step 3: Cross multiply
107,751.51x = 148,687.56 × 62,415 - Step 4: Simplify right side
107,751.51x = 9,280,334,057.40 - Step 5: Solve for x
x = 9,280,334,057.40/107,751.51 - Step 6: Final answer
x = 86,127.18
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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.