Finding the Fourth Proportional to 139,449.52, 192,374.60 and 101,124.99
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Solution
The fourth proportional to 139,449.52, 192,374.60 and 101,124.99 is: 139,504.82
Step by Step Solution
- Step 1: Write the proportion equation
139,449.52 : 192,374.60 = 101,124.99 : x - Step 2: Convert to fraction form
139,449.52/192,374.60 = 101,124.99/x - Step 3: Cross multiply
139,449.52x = 192,374.60 × 101,124.99 - Step 4: Simplify right side
139,449.52x = 19,453,879,501.25 - Step 5: Solve for x
x = 19,453,879,501.25/139,449.52 - Step 6: Final answer
x = 139,504.82
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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.