Finding the Fourth Proportional to 102,237.36, 153,279.36 and 68,863.74
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Solution
The fourth proportional to 102,237.36, 153,279.36 and 68,863.74 is: 103,243.96
Step by Step Solution
- Step 1: Write the proportion equation
102,237.36 : 153,279.36 = 68,863.74 : x - Step 2: Convert to fraction form
102,237.36/153,279.36 = 68,863.74/x - Step 3: Cross multiply
102,237.36x = 153,279.36 × 68,863.74 - Step 4: Simplify right side
102,237.36x = 10,555,389,994.41 - Step 5: Solve for x
x = 10,555,389,994.41/102,237.36 - Step 6: Final answer
x = 103,243.96
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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.