Finding the Fourth Proportional to 132,259.52, 182,412.62 and 86,983.99
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Solution
The fourth proportional to 132,259.52, 182,412.62 and 86,983.99 is: 119,968.51
Step by Step Solution
- Step 1: Write the proportion equation
132,259.52 : 182,412.62 = 86,983.99 : x - Step 2: Convert to fraction form
132,259.52/182,412.62 = 86,983.99/x - Step 3: Cross multiply
132,259.52x = 182,412.62 × 86,983.99 - Step 4: Simplify right side
132,259.52x = 15,866,977,513.95 - Step 5: Solve for x
x = 15,866,977,513.95/132,259.52 - Step 6: Final answer
x = 119,968.51
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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.