Finding the Fourth Proportional to 110,157.21, 152,010.99 and 62,409.51
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Solution
The fourth proportional to 110,157.21, 152,010.99 and 62,409.51 is: 86,121.75
Step by Step Solution
- Step 1: Write the proportion equation
110,157.21 : 152,010.99 = 62,409.51 : x - Step 2: Convert to fraction form
110,157.21/152,010.99 = 62,409.51/x - Step 3: Cross multiply
110,157.21x = 152,010.99 × 62,409.51 - Step 4: Simplify right side
110,157.21x = 9,486,931,400.51 - Step 5: Solve for x
x = 9,486,931,400.51/110,157.21 - Step 6: Final answer
x = 86,121.75
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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.