Finding the Fourth Proportional to 125,258.24, 172,855.74 and 67,897.34
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Solution
The fourth proportional to 125,258.24, 172,855.74 and 67,897.34 is: 93,697.99
Step by Step Solution
- Step 1: Write the proportion equation
125,258.24 : 172,855.74 = 67,897.34 : x - Step 2: Convert to fraction form
125,258.24/172,855.74 = 67,897.34/x - Step 3: Cross multiply
125,258.24x = 172,855.74 × 67,897.34 - Step 4: Simplify right side
125,258.24x = 11,736,444,949.73 - Step 5: Solve for x
x = 11,736,444,949.73/125,258.24 - Step 6: Final answer
x = 93,697.99
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1.5x scale
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.