Finding the Fourth Proportional to 104,981.14, 144,784.84 and 88,708.07
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Solution
The fourth proportional to 104,981.14, 144,784.84 and 88,708.07 is: 122,341.82
Step by Step Solution
- Step 1: Write the proportion equation
104,981.14 : 144,784.84 = 88,708.07 : x - Step 2: Convert to fraction form
104,981.14/144,784.84 = 88,708.07/x - Step 3: Cross multiply
104,981.14x = 144,784.84 × 88,708.07 - Step 4: Simplify right side
104,981.14x = 12,843,583,721.66 - Step 5: Solve for x
x = 12,843,583,721.66/104,981.14 - Step 6: Final answer
x = 122,341.82
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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.