Finding the Fourth Proportional to 157,241.07, 216,963.84 and 92,730.55
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Solution
The fourth proportional to 157,241.07, 216,963.84 and 92,730.55 is: 127,951.15
Step by Step Solution
- Step 1: Write the proportion equation
157,241.07 : 216,963.84 = 92,730.55 : x - Step 2: Convert to fraction form
157,241.07/216,963.84 = 92,730.55/x - Step 3: Cross multiply
157,241.07x = 216,963.84 × 92,730.55 - Step 4: Simplify right side
157,241.07x = 20,119,176,213.31 - Step 5: Solve for x
x = 20,119,176,213.31/157,241.07 - Step 6: Final answer
x = 127,951.15
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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.