Finding the Fourth Proportional to 187,023.21, 258,092.99 and 102,140.28
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Solution
The fourth proportional to 187,023.21, 258,092.99 and 102,140.28 is: 140,954.11
Step by Step Solution
- Step 1: Write the proportion equation
187,023.21 : 258,092.99 = 102,140.28 : x - Step 2: Convert to fraction form
187,023.21/258,092.99 = 102,140.28/x - Step 3: Cross multiply
187,023.21x = 258,092.99 × 102,140.28 - Step 4: Simplify right side
187,023.21x = 26,361,689,753.94 - Step 5: Solve for x
x = 26,361,689,753.94/187,023.21 - Step 6: Final answer
x = 140,954.11
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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.