Finding the Fourth Proportional to 119,125.31, 164,392.94 and 68,824.31
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Solution
The fourth proportional to 119,125.31, 164,392.94 and 68,824.31 is: 94,977.55
Step by Step Solution
- Step 1: Write the proportion equation
119,125.31 : 164,392.94 = 68,824.31 : x - Step 2: Convert to fraction form
119,125.31/164,392.94 = 68,824.31/x - Step 3: Cross multiply
119,125.31x = 164,392.94 × 68,824.31 - Step 4: Simplify right side
119,125.31x = 11,314,230,731.23 - Step 5: Solve for x
x = 11,314,230,731.23/119,125.31 - Step 6: Final answer
x = 94,977.55
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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.