Finding the Fourth Proportional to 157,459.14, 217,228.18 and 92,902.74
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Solution
The fourth proportional to 157,459.14, 217,228.18 and 92,902.74 is: 128,167.17
Step by Step Solution
- Step 1: Write the proportion equation
157,459.14 : 217,228.18 = 92,902.74 : x - Step 2: Convert to fraction form
157,459.14/217,228.18 = 92,902.74/x - Step 3: Cross multiply
157,459.14x = 217,228.18 × 92,902.74 - Step 4: Simplify right side
157,459.14x = 20,181,093,127.21 - Step 5: Solve for x
x = 20,181,093,127.21/157,459.14 - Step 6: Final answer
x = 128,167.17
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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.