Finding the Fourth Proportional to 132,351.60, 182,646.99 and 71,923.17
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Solution
The fourth proportional to 132,351.60, 182,646.99 and 71,923.17 is: 99,254.94
Step by Step Solution
- Step 1: Write the proportion equation
132,351.60 : 182,646.99 = 71,923.17 : x - Step 2: Convert to fraction form
132,351.60/182,646.99 = 71,923.17/x - Step 3: Cross multiply
132,351.60x = 182,646.99 × 71,923.17 - Step 4: Simplify right side
132,351.60x = 13,136,550,511.76 - Step 5: Solve for x
x = 13,136,550,511.76/132,351.60 - Step 6: Final answer
x = 99,254.94
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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.