Finding the Fourth Proportional to 117,400.97, 175,985.62 and 75,160.82
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Solution
The fourth proportional to 117,400.97, 175,985.62 and 75,160.82 is: 112,667.07
Step by Step Solution
- Step 1: Write the proportion equation
117,400.97 : 175,985.62 = 75,160.82 : x - Step 2: Convert to fraction form
117,400.97/175,985.62 = 75,160.82/x - Step 3: Cross multiply
117,400.97x = 175,985.62 × 75,160.82 - Step 4: Simplify right side
117,400.97x = 13,227,223,507.41 - Step 5: Solve for x
x = 13,227,223,507.41/117,400.97 - Step 6: Final answer
x = 112,667.07
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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.