Finding the Fourth Proportional to 114,021.09, 157,348.04 and 63,035.14
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Solution
The fourth proportional to 114,021.09, 157,348.04 and 63,035.14 is: 86,987.90
Step by Step Solution
- Step 1: Write the proportion equation
114,021.09 : 157,348.04 = 63,035.14 : x - Step 2: Convert to fraction form
114,021.09/157,348.04 = 63,035.14/x - Step 3: Cross multiply
114,021.09x = 157,348.04 × 63,035.14 - Step 4: Simplify right side
114,021.09x = 9,918,455,730.13 - Step 5: Solve for x
x = 9,918,455,730.13/114,021.09 - Step 6: Final answer
x = 86,987.90
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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.