Finding the Fourth Proportional to 124,848.14, 172,290.58 and 71,132.99
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Solution
The fourth proportional to 124,848.14, 172,290.58 and 71,132.99 is: 98,163.61
Step by Step Solution
- Step 1: Write the proportion equation
124,848.14 : 172,290.58 = 71,132.99 : x - Step 2: Convert to fraction form
124,848.14/172,290.58 = 71,132.99/x - Step 3: Cross multiply
124,848.14x = 172,290.58 × 71,132.99 - Step 4: Simplify right side
124,848.14x = 12,255,543,064.95 - Step 5: Solve for x
x = 12,255,543,064.95/124,848.14 - Step 6: Final answer
x = 98,163.61
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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.