Finding the Fourth Proportional to 187,104.19, 258,204.03 and 106,531.75
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Solution
The fourth proportional to 187,104.19, 258,204.03 and 106,531.75 is: 147,013.95
Step by Step Solution
- Step 1: Write the proportion equation
187,104.19 : 258,204.03 = 106,531.75 : x - Step 2: Convert to fraction form
187,104.19/258,204.03 = 106,531.75/x - Step 3: Cross multiply
187,104.19x = 258,204.03 × 106,531.75 - Step 4: Simplify right side
187,104.19x = 27,506,925,881.93 - Step 5: Solve for x
x = 27,506,925,881.93/187,104.19 - Step 6: Final answer
x = 147,013.95
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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.