Finding the Fourth Proportional to 159,256.14, 219,699.99 and 102,685.74
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Solution
The fourth proportional to 159,256.14, 219,699.99 and 102,685.74 is: 141,658.94
Step by Step Solution
- Step 1: Write the proportion equation
159,256.14 : 219,699.99 = 102,685.74 : x - Step 2: Convert to fraction form
159,256.14/219,699.99 = 102,685.74/x - Step 3: Cross multiply
159,256.14x = 219,699.99 × 102,685.74 - Step 4: Simplify right side
159,256.14x = 22,560,056,051.14 - Step 5: Solve for x
x = 22,560,056,051.14/159,256.14 - Step 6: Final answer
x = 141,658.94
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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.