Finding the Fourth Proportional to 117,440.07, 176,159.62 and 42,542.68
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Solution
The fourth proportional to 117,440.07, 176,159.62 and 42,542.68 is: 63,813.84
Step by Step Solution
- Step 1: Write the proportion equation
117,440.07 : 176,159.62 = 42,542.68 : x - Step 2: Convert to fraction form
117,440.07/176,159.62 = 42,542.68/x - Step 3: Cross multiply
117,440.07x = 176,159.62 × 42,542.68 - Step 4: Simplify right side
117,440.07x = 7,494,301,795.83 - Step 5: Solve for x
x = 7,494,301,795.83/117,440.07 - Step 6: Final answer
x = 63,813.84
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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.