Finding the Fourth Proportional to 133,177.97, 183,660.41 and 99,261.65
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Solution
The fourth proportional to 133,177.97, 183,660.41 and 99,261.65 is: 136,887.77
Step by Step Solution
- Step 1: Write the proportion equation
133,177.97 : 183,660.41 = 99,261.65 : x - Step 2: Convert to fraction form
133,177.97/183,660.41 = 99,261.65/x - Step 3: Cross multiply
133,177.97x = 183,660.41 × 99,261.65 - Step 4: Simplify right side
133,177.97x = 18,230,436,043.58 - Step 5: Solve for x
x = 18,230,436,043.58/133,177.97 - Step 6: Final answer
x = 136,887.77
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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.