Finding the Fourth Proportional to 146,477.13, 202,136.61 and 86,053.29
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Solution
The fourth proportional to 146,477.13, 202,136.61 and 86,053.29 is: 118,752.47
Step by Step Solution
- Step 1: Write the proportion equation
146,477.13 : 202,136.61 = 86,053.29 : x - Step 2: Convert to fraction form
146,477.13/202,136.61 = 86,053.29/x - Step 3: Cross multiply
146,477.13x = 202,136.61 × 86,053.29 - Step 4: Simplify right side
146,477.13x = 17,394,520,319.95 - Step 5: Solve for x
x = 17,394,520,319.95/146,477.13 - Step 6: Final answer
x = 118,752.47
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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.