Finding the Fourth Proportional to 187,123.95, 258,246.36 and 106,576.74
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Solution
The fourth proportional to 187,123.95, 258,246.36 and 106,576.74 is: 147,084.62
Step by Step Solution
- Step 1: Write the proportion equation
187,123.95 : 258,246.36 = 106,576.74 : x - Step 2: Convert to fraction form
187,123.95/258,246.36 = 106,576.74/x - Step 3: Cross multiply
187,123.95x = 258,246.36 × 106,576.74 - Step 4: Simplify right side
187,123.95x = 27,523,055,165.67 - Step 5: Solve for x
x = 27,523,055,165.67/187,123.95 - Step 6: Final answer
x = 147,084.62
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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.