Finding the Fourth Proportional to 124,140.54, 171,486.74 and 119,531.84
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Solution
The fourth proportional to 124,140.54, 171,486.74 and 119,531.84 is: 165,120.32
Step by Step Solution
- Step 1: Write the proportion equation
124,140.54 : 171,486.74 = 119,531.84 : x - Step 2: Convert to fraction form
124,140.54/171,486.74 = 119,531.84/x - Step 3: Cross multiply
124,140.54x = 171,486.74 × 119,531.84 - Step 4: Simplify right side
124,140.54x = 20,498,125,567.80 - Step 5: Solve for x
x = 20,498,125,567.80/124,140.54 - Step 6: Final answer
x = 165,120.32
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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.