Home / 187,789.80-281,166.30-146,317.80

Finding the Fourth Proportional to 187,789.80, 281,166.30 and 146,317.80

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Solution

The fourth proportional to 187,789.80, 281,166.30 and 146,317.80 is: 219,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,789.80 : 281,166.30 = 146,317.80 : x
  2. Step 2: Convert to fraction form
    187,789.80/281,166.30 = 146,317.80/x
  3. Step 3: Cross multiply
    187,789.80x = 281,166.30 × 146,317.80
  4. Step 4: Simplify right side
    187,789.80x = 41,139,634,450.14
  5. Step 5: Solve for x
    x = 41,139,634,450.14/187,789.80
  6. Step 6: Final answer
    x = 219,072.78

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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.