Finding the Fourth Proportional to 124,824.65, 172,258.02 and 68,236.02
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Solution
The fourth proportional to 124,824.65, 172,258.02 and 68,236.02 is: 94,165.71
Step by Step Solution
- Step 1: Write the proportion equation
124,824.65 : 172,258.02 = 68,236.02 : x - Step 2: Convert to fraction form
124,824.65/172,258.02 = 68,236.02/x - Step 3: Cross multiply
124,824.65x = 172,258.02 × 68,236.02 - Step 4: Simplify right side
124,824.65x = 11,754,201,697.88 - Step 5: Solve for x
x = 11,754,201,697.88/124,824.65 - Step 6: Final answer
x = 94,165.71
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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.