Finding the Fourth Proportional to 132,259.18, 182,412.13 and 86,983.65
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Solution
The fourth proportional to 132,259.18, 182,412.13 and 86,983.65 is: 119,968.02
Step by Step Solution
- Step 1: Write the proportion equation
132,259.18 : 182,412.13 = 86,983.65 : x - Step 2: Convert to fraction form
132,259.18/182,412.13 = 86,983.65/x - Step 3: Cross multiply
132,259.18x = 182,412.13 × 86,983.65 - Step 4: Simplify right side
132,259.18x = 15,866,872,059.63 - Step 5: Solve for x
x = 15,866,872,059.63/132,259.18 - Step 6: Final answer
x = 119,968.02
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1.5x scale
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.