Finding the Fourth Proportional to 157,371.44, 236,058.80 and 125,981.06
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Solution
The fourth proportional to 157,371.44, 236,058.80 and 125,981.06 is: 188,972.90
Step by Step Solution
- Step 1: Write the proportion equation
157,371.44 : 236,058.80 = 125,981.06 : x - Step 2: Convert to fraction form
157,371.44/236,058.80 = 125,981.06/x - Step 3: Cross multiply
157,371.44x = 236,058.80 × 125,981.06 - Step 4: Simplify right side
157,371.44x = 29,738,936,036.13 - Step 5: Solve for x
x = 29,738,936,036.13/157,371.44 - Step 6: Final answer
x = 188,972.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.