Finding the Fourth Proportional to 114,930.06, 158,703.21 and 84,767.70
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Solution
The fourth proportional to 114,930.06, 158,703.21 and 84,767.70 is: 117,052.98
Step by Step Solution
- Step 1: Write the proportion equation
114,930.06 : 158,703.21 = 84,767.70 : x - Step 2: Convert to fraction form
114,930.06/158,703.21 = 84,767.70/x - Step 3: Cross multiply
114,930.06x = 158,703.21 × 84,767.70 - Step 4: Simplify right side
114,930.06x = 13,452,906,094.32 - Step 5: Solve for x
x = 13,452,906,094.32/114,930.06 - Step 6: Final answer
x = 117,052.98
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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.