Finding the Fourth Proportional to 132,318.93, 182,599.14 and 71,890.07
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Solution
The fourth proportional to 132,318.93, 182,599.14 and 71,890.07 is: 99,207.76
Step by Step Solution
- Step 1: Write the proportion equation
132,318.93 : 182,599.14 = 71,890.07 : x - Step 2: Convert to fraction form
132,318.93/182,599.14 = 71,890.07/x - Step 3: Cross multiply
132,318.93x = 182,599.14 × 71,890.07 - Step 4: Simplify right side
132,318.93x = 13,127,064,956.54 - Step 5: Solve for x
x = 13,127,064,956.54/132,318.93 - Step 6: Final answer
x = 99,207.76
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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.