Finding the Fourth Proportional to 110,898.73, 153,040.08 and 63,152.09
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Solution
The fourth proportional to 110,898.73, 153,040.08 and 63,152.09 is: 87,149.78
Step by Step Solution
- Step 1: Write the proportion equation
110,898.73 : 153,040.08 = 63,152.09 : x - Step 2: Convert to fraction form
110,898.73/153,040.08 = 63,152.09/x - Step 3: Cross multiply
110,898.73x = 153,040.08 × 63,152.09 - Step 4: Simplify right side
110,898.73x = 9,664,799,824.81 - Step 5: Solve for x
x = 9,664,799,824.81/110,898.73 - Step 6: Final answer
x = 87,149.78
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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.