Finding the Fourth Proportional to 125,547.68, 173,257.04 and 68,188.12
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Solution
The fourth proportional to 125,547.68, 173,257.04 and 68,188.12 is: 94,100.28
Step by Step Solution
- Step 1: Write the proportion equation
125,547.68 : 173,257.04 = 68,188.12 : x - Step 2: Convert to fraction form
125,547.68/173,257.04 = 68,188.12/x - Step 3: Cross multiply
125,547.68x = 173,257.04 × 68,188.12 - Step 4: Simplify right side
125,547.68x = 11,814,071,883.03 - Step 5: Solve for x
x = 11,814,071,883.03/125,547.68 - Step 6: Final answer
x = 94,100.28
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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.