Finding the Fourth Proportional to 127,918.56, 176,528.76 and 70,560.09
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Solution
The fourth proportional to 127,918.56, 176,528.76 and 70,560.09 is: 97,373.56
Step by Step Solution
- Step 1: Write the proportion equation
127,918.56 : 176,528.76 = 70,560.09 : x - Step 2: Convert to fraction form
127,918.56/176,528.76 = 70,560.09/x - Step 3: Cross multiply
127,918.56x = 176,528.76 × 70,560.09 - Step 4: Simplify right side
127,918.56x = 12,455,885,193.19 - Step 5: Solve for x
x = 12,455,885,193.19/127,918.56 - Step 6: Final answer
x = 97,373.56
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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.