Home / 133,839.13-200,759.79-43,880.53

Finding the Fourth Proportional to 133,839.13, 200,759.79 and 43,880.53

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Solution

The fourth proportional to 133,839.13, 200,759.79 and 43,880.53 is: 65,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,839.13 : 200,759.79 = 43,880.53 : x
  2. Step 2: Convert to fraction form
    133,839.13/200,759.79 = 43,880.53/x
  3. Step 3: Cross multiply
    133,839.13x = 200,759.79 × 43,880.53
  4. Step 4: Simplify right side
    133,839.13x = 8,809,445,987.89
  5. Step 5: Solve for x
    x = 8,809,445,987.89/133,839.13
  6. Step 6: Final answer
    x = 65,821.15

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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.