Finding the Fourth Proportional to 157,963.41, 236,969.73 and 94,768.68
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Solution
The fourth proportional to 157,963.41, 236,969.73 and 94,768.68 is: 142,167.79
Step by Step Solution
- Step 1: Write the proportion equation
157,963.41 : 236,969.73 = 94,768.68 : x - Step 2: Convert to fraction form
157,963.41/236,969.73 = 94,768.68/x - Step 3: Cross multiply
157,963.41x = 236,969.73 × 94,768.68 - Step 4: Simplify right side
157,963.41x = 22,457,308,512.06 - Step 5: Solve for x
x = 22,457,308,512.06/157,963.41 - Step 6: Final answer
x = 142,167.79
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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.