Finding the Fourth Proportional to 187,159.26, 258,306.12 and 119,154.51
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Solution
The fourth proportional to 187,159.26, 258,306.12 and 119,154.51 is: 164,449.99
Step by Step Solution
- Step 1: Write the proportion equation
187,159.26 : 258,306.12 = 119,154.51 : x - Step 2: Convert to fraction form
187,159.26/258,306.12 = 119,154.51/x - Step 3: Cross multiply
187,159.26x = 258,306.12 × 119,154.51 - Step 4: Simplify right side
187,159.26x = 30,778,339,158.60 - Step 5: Solve for x
x = 30,778,339,158.60/187,159.26 - Step 6: Final answer
x = 164,449.99
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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.