Home / 281,537.19-422,010.54-131,651.15

Finding the Fourth Proportional to 281,537.19, 422,010.54 and 131,651.15

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Solution

The fourth proportional to 281,537.19, 422,010.54 and 131,651.15 is: 197,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,537.19 : 422,010.54 = 131,651.15 : x
  2. Step 2: Convert to fraction form
    281,537.19/422,010.54 = 131,651.15/x
  3. Step 3: Cross multiply
    281,537.19x = 422,010.54 × 131,651.15
  4. Step 4: Simplify right side
    281,537.19x = 55,558,170,793.07
  5. Step 5: Solve for x
    x = 55,558,170,793.07/281,537.19
  6. Step 6: Final answer
    x = 197,338.66

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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.