Finding the Fourth Proportional to 118,781.19, 177,757.59 and 97,184.31
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Solution
The fourth proportional to 118,781.19, 177,757.59 and 97,184.31 is: 145,437.58
Step by Step Solution
- Step 1: Write the proportion equation
118,781.19 : 177,757.59 = 97,184.31 : x - Step 2: Convert to fraction form
118,781.19/177,757.59 = 97,184.31/x - Step 3: Cross multiply
118,781.19x = 177,757.59 × 97,184.31 - Step 4: Simplify right side
118,781.19x = 17,275,248,429.26 - Step 5: Solve for x
x = 17,275,248,429.26/118,781.19 - Step 6: Final answer
x = 145,437.58
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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.