Finding the Fourth Proportional to 127,864.08, 176,462.04 and 74,148.63
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Solution
The fourth proportional to 127,864.08, 176,462.04 and 74,148.63 is: 102,330.68
Step by Step Solution
- Step 1: Write the proportion equation
127,864.08 : 176,462.04 = 74,148.63 : x - Step 2: Convert to fraction form
127,864.08/176,462.04 = 74,148.63/x - Step 3: Cross multiply
127,864.08x = 176,462.04 × 74,148.63 - Step 4: Simplify right side
127,864.08x = 13,084,418,129.33 - Step 5: Solve for x
x = 13,084,418,129.33/127,864.08 - Step 6: Final answer
x = 102,330.68
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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.