Finding the Fourth Proportional to 135,643.06, 203,422.99 and 93,792.06
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Solution
The fourth proportional to 135,643.06, 203,422.99 and 93,792.06 is: 140,659.33
Step by Step Solution
- Step 1: Write the proportion equation
135,643.06 : 203,422.99 = 93,792.06 : x - Step 2: Convert to fraction form
135,643.06/203,422.99 = 93,792.06/x - Step 3: Cross multiply
135,643.06x = 203,422.99 × 93,792.06 - Step 4: Simplify right side
135,643.06x = 19,079,461,283.46 - Step 5: Solve for x
x = 19,079,461,283.46/135,643.06 - Step 6: Final answer
x = 140,659.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.