Finding the Fourth Proportional to 132,289.95, 182,487.42 and 83,803.08
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Solution
The fourth proportional to 132,289.95, 182,487.42 and 83,803.08 is: 115,602.19
Step by Step Solution
- Step 1: Write the proportion equation
132,289.95 : 182,487.42 = 83,803.08 : x - Step 2: Convert to fraction form
132,289.95/182,487.42 = 83,803.08/x - Step 3: Cross multiply
132,289.95x = 182,487.42 × 83,803.08 - Step 4: Simplify right side
132,289.95x = 15,293,007,857.25 - Step 5: Solve for x
x = 15,293,007,857.25/132,289.95 - Step 6: Final answer
x = 115,602.19
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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.