Finding the Fourth Proportional to 131,175.93, 195,740.79 and 117,038.79
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Solution
The fourth proportional to 131,175.93, 195,740.79 and 117,038.79 is: 174,645.34
Step by Step Solution
- Step 1: Write the proportion equation
131,175.93 : 195,740.79 = 117,038.79 : x - Step 2: Convert to fraction form
131,175.93/195,740.79 = 117,038.79/x - Step 3: Cross multiply
131,175.93x = 195,740.79 × 117,038.79 - Step 4: Simplify right side
131,175.93x = 22,909,265,215.24 - Step 5: Solve for x
x = 22,909,265,215.24/131,175.93 - Step 6: Final answer
x = 174,645.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.