Home / 281,131.80-421,755.30-94,277.40

Finding the Fourth Proportional to 281,131.80, 421,755.30 and 94,277.40

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Solution

The fourth proportional to 281,131.80, 421,755.30 and 94,277.40 is: 141,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,131.80 : 421,755.30 = 94,277.40 : x
  2. Step 2: Convert to fraction form
    281,131.80/421,755.30 = 94,277.40/x
  3. Step 3: Cross multiply
    281,131.80x = 421,755.30 × 94,277.40
  4. Step 4: Simplify right side
    281,131.80x = 39,761,993,120.22
  5. Step 5: Solve for x
    x = 39,761,993,120.22/281,131.80
  6. Step 6: Final answer
    x = 141,435.42

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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.