Finding the Fourth Proportional to 109,743.58, 164,443.65 and 84,844.99
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Solution
The fourth proportional to 109,743.58, 164,443.65 and 84,844.99 is: 127,134.72
Step by Step Solution
- Step 1: Write the proportion equation
109,743.58 : 164,443.65 = 84,844.99 : x - Step 2: Convert to fraction form
109,743.58/164,443.65 = 84,844.99/x - Step 3: Cross multiply
109,743.58x = 164,443.65 × 84,844.99 - Step 4: Simplify right side
109,743.58x = 13,952,219,839.81 - Step 5: Solve for x
x = 13,952,219,839.81/109,743.58 - Step 6: Final answer
x = 127,134.72
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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.