Finding the Fourth Proportional to 115,877.84, 159,900.36 and 92,062.16
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Solution
The fourth proportional to 115,877.84, 159,900.36 and 92,062.16 is: 127,036.99
Step by Step Solution
- Step 1: Write the proportion equation
115,877.84 : 159,900.36 = 92,062.16 : x - Step 2: Convert to fraction form
115,877.84/159,900.36 = 92,062.16/x - Step 3: Cross multiply
115,877.84x = 159,900.36 × 92,062.16 - Step 4: Simplify right side
115,877.84x = 14,720,772,526.38 - Step 5: Solve for x
x = 14,720,772,526.38/115,877.84 - Step 6: Final answer
x = 127,036.99
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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.