Finding the Fourth Proportional to 127,953.84, 191,848.62 and 53,125.63
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Solution
The fourth proportional to 127,953.84, 191,848.62 and 53,125.63 is: 79,654.34
Step by Step Solution
- Step 1: Write the proportion equation
127,953.84 : 191,848.62 = 53,125.63 : x - Step 2: Convert to fraction form
127,953.84/191,848.62 = 53,125.63/x - Step 3: Cross multiply
127,953.84x = 191,848.62 × 53,125.63 - Step 4: Simplify right side
127,953.84x = 10,192,078,802.13 - Step 5: Solve for x
x = 10,192,078,802.13/127,953.84 - Step 6: Final answer
x = 79,654.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.