Finding the Fourth Proportional to 124,207.70, 171,406.58 and 67,619.06
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Solution
The fourth proportional to 124,207.70, 171,406.58 and 67,619.06 is: 93,314.28
Step by Step Solution
- Step 1: Write the proportion equation
124,207.70 : 171,406.58 = 67,619.06 : x - Step 2: Convert to fraction form
124,207.70/171,406.58 = 67,619.06/x - Step 3: Cross multiply
124,207.70x = 171,406.58 × 67,619.06 - Step 4: Simplify right side
124,207.70x = 11,590,351,817.41 - Step 5: Solve for x
x = 11,590,351,817.41/124,207.70 - Step 6: Final answer
x = 93,314.28
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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.