Finding the Fourth Proportional to 155,103.29, 214,037.87 and 86,192.52
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Solution
The fourth proportional to 155,103.29, 214,037.87 and 86,192.52 is: 118,943.08
Step by Step Solution
- Step 1: Write the proportion equation
155,103.29 : 214,037.87 = 86,192.52 : x - Step 2: Convert to fraction form
155,103.29/214,037.87 = 86,192.52/x - Step 3: Cross multiply
155,103.29x = 214,037.87 × 86,192.52 - Step 4: Simplify right side
155,103.29x = 18,448,463,390.73 - Step 5: Solve for x
x = 18,448,463,390.73/155,103.29 - Step 6: Final answer
x = 118,943.08
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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.